11706162
Beschreibung
Quiz von Karime Chavolla, aktualisiert more than 1 year ago
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Erstellt von Karime Chavolla
vor mehr als 6 Jahre
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Frage 1
Frage
When an egg and sperm combine, they form a [blank_start]zygote[blank_end].
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zygote
Frage 2
Frage
[blank_start]Mitosis[blank_end] is the type of cell division used to repair damaged skin.
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Mitosis
Frage 3
Frage
A [blank_start]chromosome[blank_end] is a single strand of DNA and it's associated proteins.
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chromosome
Frage 4
Frage
Eight [blank_start]histones[blank_end] come together come together with a strand of DNA to make a nucleosome.
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histones
Frage 5
Frage
DNA must be in it's [blank_start]unpacked[blank_end] state in order to be used for replication.
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unpacked
Frage 6
Frage
[blank_start]Chromatin[blank_end] is the collection of DNA and proteins combined in the nucleus.
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Chromatin
Frage 7
Frage
DNA replication is considered to be [blank_start]semi-conservative[blank_end].
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semi-conservative
Frage 8
Frage
The cell cycle is a sequence of events during which a cell prepares to divide [blank_start]into daughter cells[blank_end].
Antworten
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into daughter cells
-
into sister chromatids
-
into gamets
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into homologous chromosomes
Frage 9
Frage
The S phase of mitosis is the event that
Antworten
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sister chromatids join to centromere
-
cytoplasm divides
-
cell gathers materials for DNA replication
-
DNA is replicated
Frage 10
Frage
At the end of the G2 phase [blank_start]centrosomes[blank_end] form outside the nucleus along with pairs of [blank_start]centrioles[blank_end].
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centrosomes
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centrioles
Frage 11
Frage
During interphase, chromatin is [blank_start]still uncondensed[blank_end].
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still uncondensed
-
forming homologous chromosomes
-
condensed
-
not contained in nucleus anymore
Frage 12
Frage
Interphase contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Antworten
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46
-
92
-
23
-
92
-
23
-
46
Frage 13
Frage
Prophase contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Antworten
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46
-
23
-
96
-
92
-
46
-
23
Frage 14
Frage
Metaphase contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Antworten
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46
-
23
-
96
-
46
-
23
-
92
Frage 15
Frage
Anaphase contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Antworten
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92
-
46
-
23
-
92
-
46
-
23
Frage 16
Frage
Telephase contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
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46
-
92
-
23
-
92
-
46
-
23
Frage 17
Frage
During prophase, chromatin
Antworten
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Condenses into homologous chromosomes
-
Condenses into sister chromosomes
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Condenses into sister chromatids
-
Condenses into DNA strands
Frage 18
Frage
Check off all the events that occur during prophase.
Antworten
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Nuclear envelope breaks apart
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Chromatin condenses
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Motor proteins "walk" along microtubules
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Centrioles push apart to elongate the cell
-
Centrosomes move apart and start forming spindle fibers
-
Sister chromatids float in cytoplasm; attached to microfilaments
-
Chromosomes line up at central plate
Frage 19
Frage
What is the name of the phase where sister chromatids line up at the central plate (equator of the cell)?
Antworten
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Metaphase
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Metaphase I
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Metaphase II
Frage 20
Antworten
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S phase
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G1 phase
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G2 phase
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cytokinesis
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Mitosis
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interphase
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cytokinesis
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mitosis
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G1 phase
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G2 phase
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S phase
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Interphase
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S phase
-
G2 phase
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G1 phase
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Mitosis
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Cytokinesis
-
Interphase
-
Mitotic (M) phase
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Mitotic (M) phase
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Mitotic (M) phase
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S phase
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G1 phase
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G2 phase
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Cytokinesis
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Mitosis
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Interphase
-
Mitotic (M) phase
-
S phase
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G1 phase
-
G2 phase
-
Cytokinesis
-
Mitosis
-
Interphase
-
Mitotic (M) phase
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S phase
-
G1 phase
-
G2 phase
-
Cytokinesis
-
Mitosis
-
Mitotic (M) phase
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Interphase
-
S pahse
-
G1 phase
-
G2 phase
-
Cytokinesis
-
Mitosis
-
Interphase
-
Mitotic (M) phase
Frage 21
Frage
Mitosis is a form of [blank_start]asexual[blank_end] reproduction.
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asexual
Frage 22
Frage
Meiosis is a form of [blank_start]sexual[blank_end] reproduction.
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sexual
Frage 23
Frage
Cytokinesis is the last phase of the cell cycle.
Antworten
- True
- False
Frage 24
Frage
Interphase is the first phase of the cell cycle.
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- True
- False
Frage 25
Frage
What happens when a cell spends too little time in interphase?
Antworten
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Causes cancer
-
Is treated with radiation
-
Divides really slowly
-
Has no effect on organism
Frage 26
Frage
Meiosis II is nearly identical to mitosis, except for
Antworten
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meiosis has twice the number of chromosomes as mitosis
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mitosis has half the number of chromosomes as meiosis
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meiosis has half the number of chromosomes as mitosis
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mitosis has twice the number of chromosomes as meiosis
Frage 27
Frage
During interphase before meiosis; cells are [blank_start]diploid[blank_end] in number with [blank_start]92[blank_end] DNA strands.
After meiosis I; cells are [blank_start]haploid[blank_end] with [blank_start]46[blank_end] DNA strands.
After meiosis II; cells are [blank_start]haploid[blank_end] with [blank_start]23[blank_end] DNA strands.
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diploid
-
92
-
haploid
-
46
-
(n)
-
23
Frage 28
Frage
Prophase I contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Antworten
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46
-
92
-
23
-
92
-
46
-
23
Frage 29
Frage
Metaphase I contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Antworten
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46
-
92
-
23
-
92
-
46
-
23
Frage 30
Frage
Anaphase I; contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Antworten
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46
-
92
-
23
-
92
-
46
-
23
Frage 31
Frage
Telophase I contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Antworten
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46
-
23
-
92
-
92
-
46
-
23
Frage 32
Frage
Prophase II; contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Antworten
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46
-
23
-
92
-
92
-
46
-
23
Frage 33
Frage
Metaphase II; contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Antworten
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46
-
92
-
23
-
92
-
46
-
23
Frage 34
Frage
Anaphase II; contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Antworten
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46
-
92
-
23
-
92
-
46
-
23
Frage 35
Frage
Telophase II; contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
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46
-
92
-
23
-
92
-
46
-
23
Frage 36
Frage
Gamete cells are [blank_start]haploid[blank_end] cells with [blank_start]23[blank_end] chromosomes.
Somatic cells are [blank_start]diploid[blank_end] cells with [blank_start]46[blank_end] chromosomes.
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haploid
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23
-
diploid
-
46
Frage 37
Frage
When do homologous chromosomes exchange genetic information?
Antworten
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Prophase
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Prohase I
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Prohase II
Frage 38
Frage
What is the name of the phase where homologous chromosomes line up at the central plate (equator of the cell)?
Antworten
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Metaphase
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Metaphase I
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Metaphase II
Frage 39
Frage
Maternal and Paternal chromosomes line up randomly are positioned [blank_start]randomly[blank_end] on either side of the equatorial plate.
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randomly
Frage 40
Frage
At what point are homologous chromosomes considered tetrads?
Antworten
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When they are exchanging genetic information
-
When they are duplicating
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When they are separating
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When they are attached via spindle fibers
Frage 41
Frage
What key events occur during anaphase I
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Homologous chromosomes separate to opposite poles of the cell
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Sister chromatids separate to opposite poles of the cell
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Daughter chromosomes separate to opposite poles of the cell
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Spindle fibers elongate the cell
-
Spindle fibers attach to each centrioles pulling on chromosomes
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Spindle fibers attach to each centromere pulling on chromosomes
Frage 42
Frage
Interphase occurs between meiosis I and meiosis II
Antworten
- True
- False
Frage 43
Frage
What methods are used to treat cancer?
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Mastasis
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Chemotherapy
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Slashing
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Surgery
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Poison
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Intravenous fluid
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Radiation
Frage 44
Frage
A group of interbreeding organisms of the same species.
Antworten
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Population
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Gene pool
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Allele frequency
-
Evolution
Frage 45
Frage
All of the different genes and alleles in a population.
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Gene pool
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Evolution
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Allele Frequency
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Population
Frage 46
Frage
The number of copies of a specific allele relative to all the alleles for the same gene in a population.
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Allele frequency
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Gene pool
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Population
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Evolution
Frage 47
Frage
Evolution occurs at the population level
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- True
- False
Frage 48
Frage
Changes in genetic characteristics of a population over time - potentially creating a new species
Antworten
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Descent with modification
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Adaptations
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Evolution
-
Mutation
Frage 49
Frage
The reproductive success "fitness" of specific alleles causes [blank_start]evolution[blank_end].
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evolution
Frage 50
Frage
[blank_start]Adaptation[blank_end]; features of an organism with a selective advantage.
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Adaptation
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Evolution
-
Natural selection
-
Mutation
Frage 51
Frage
Cytokinesis is the division of the [blank_start]cytoplasm[blank_end] and the [blank_start]organelles[blank_end].
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cytoplasm
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organelles
Frage 52
Frage
In a pair of [blank_start]chromosomes[blank_end], there are two [blank_start]chromatids[blank_end] united in the center by a centromere.
[blank_start]Sister chromatid[blank_end] is only used during cell division when the structures are in an X-shape (when there are two copies connected by a centromere.
When a centromere joins two [blank_start]non-identical[blank_end] copies of a chromosome (one from each parent); they are called [blank_start]homologous chromosomes[blank_end].
Antworten
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chromosomes
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sister chromatids
-
chromatids
-
homologous chromosomes
-
non-identical
-
chromatids
-
chromosomes
-
sister chromatids
-
homologous chromosomes
-
non-identical
-
Sister chromatid
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chromosomes
-
chromatids
-
non-identical
-
homologous chromosomes
-
non-identical
-
chromosomes
-
chromatids
-
sister chromatid
-
homologous chromosomes
-
homologous chromosomes
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chromosomes
-
chromatid
-
sister chromatid
-
non-identical
Frage 53
Frage
If nondisjunction happened in a species with 10 chromosomes; how many chromosomes would any abnormal gametes have?
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6, 4
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9, 1
-
7, 3
-
12, 8
Frage 54
Antworten
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Interphase
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Anaphase I
-
Anaphase or Anaphase II
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Metaphase I
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Metaphse or Metaphase II
Frage 55
Antworten
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Cytokinesis/Telophase I
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Cytokinesis/Telophase II
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Prophase or prophase II
-
Prophase I
Frage 56
Antworten
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Sister chromatids
-
Sister chromatids.
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Alleles
-
Centromere
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Chromosome
-
Chromosome.
-
Homologous chromosomes
Frage 57
Antworten
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Homologous chromosome
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sister chromatid
-
Abnormal gametes
-
Normal gametes
Frage 58
Frage
A gene is a combination of alleles on each chromosome in a homologous pair
Antworten
- True
- False
Frage 59
Frage
An allele is different forms of a specific gene.
Antworten
- True
- False
Frage 60
Frage
A phenotype is the expressed form of a gene.
Antworten
- True
- False
Frage 61
Frage
The term self-fertilization refers to:
Antworten
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Sperm and eggs came from different plants
-
Sperm and eggs came from the same plant
-
Is called a homozygote
-
Is called a heterozygote
Frage 62
Frage
The term cross-fertilization refers to:
Antworten
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Sperm and eggs came from the same plant
-
Sperm and eggs came from different plants
-
Is a homozygote
-
Is a heterozygote
Frage 63
Frage
[blank_start]Monohybrid cross[blank_end]: Mating between two organisms that only differ in one characteristic.
[blank_start]Dihybrid cross[blank_end]: Mating between two organisms that differ in more than one characteristic.
[blank_start]Test cross[blank_end]: An individual of unknown genotype is mated with a homozygous recessive individual.
Antworten
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Monohybrid cross
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Dihybrid cross
-
Test cross
Frage 64
Frage
[blank_start]Codominance[blank_end]; a heterozygote individual expresses two different alleles and is neither dominant nor recessive.
[blank_start]Incomplete dominance[blank_end]; a heterogote expresses an intermediate phenotype between dominant and recessive.
Antworten
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Codominance
-
Incomplete dominance
Frage 65
Frage
[blank_start]Multiple alles[blank_end]; a trait that is controlled by more than two different alleles.
[blank_start]Pleiotropic genes[blank_end]; have effects on multiple seemingly unrelated traits.
[blank_start]Polygenic traits[blank_end]; controlled by two or more sets of alleles.
[blank_start]Multifactorial trais[blank_end]; controlled by two or more sets of alleles as well as environmental factors.
Antworten
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Multiple alleles
-
Pleiotropic genes
-
Polygenetic traits
-
Multifactorial traits
-
Pleiotropic genes
-
Multiple alleles
-
Polygenetic traits
-
Multifactorial traits
-
Polygenic traits
-
Multiple alleles
-
Pleiotropic traits
-
Multifactorial traits
-
Multifactorial traits
-
Multiple alleles
-
Pleiotropic genes
-
Polygenic traits
Frage 66
Antworten
-
Natural selection
-
Mutation
-
Genetic drift
-
Non-random mating
-
Migration
Frage 67
Frage
[blank_start]Mutation[blank_end]; produces new alleles which may provide a selective advantage.
[blank_start]Natural selection[blank_end]; environmental factors provide differences in reproductive success.
[blank_start]Artificial selection[blank_end]; selective breeding for individuals who only have specific desirable features.
[blank_start]Sexual selection[blank_end]; selective breeding of individuals of one sex for certain characteristics in the other sex.
Antworten
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Mutation
-
Natural selection
-
Artificial selection
-
Sexual selection
-
Natural selection
-
Mutation
-
Artificial selection
-
Sexual selection
-
Artificial selection
-
Mutation
-
Natural selection
-
Sexual selection
-
Sexual selection
-
Mutation
-
Natural selection
-
Artificial selection
Frage 68
Frage
Cytokinesis I; contains [blank_start]23[blank_end] chromosomes (in each cell) and [blank_start]46[blank_end] DNA strands.
Antworten
-
23
-
46
-
92
-
46
-
23
-
92
Frage 69
Frage
Cytokinesis II; contains [blank_start]23[blank_end] chromosomes (in each cell) and [blank_start]23[blank_end] DNA strands.
Antworten
-
23
-
46
-
92
-
23
-
46
-
92
Frage 70
Antworten
-
Directional selection
-
Disruptive selection
-
Stabilizing selection
-
One
-
Extreme
-
Intermediate
Frage 71
Frage
[blank_start]Founder effect[blank_end]; some members migrate to a new location while the original population remains.
[blank_start]Bottleneck effect[blank_end]; some members survive while original population is drastically reduced.
Antworten
-
Founder effect
-
Bottleneck effect
Frage 72
Frage
[blank_start]Mutation[blank_end]; change in the nucleotide sequence.
[blank_start]Frameshift[blank_end] mutation; changes the reading frame.
[blank_start]Point[blank_end] mutation; changes one codon and therefore one amino acid.
Antworten
-
Mutation
-
Point
-
Frameshift
Frage 73
Frage
In pea plants, spherical seeds (S) are dominant to dented seeds (s). In a genetic cross of two plants that are both heterozygous for the seed shape trait, what percentage of the offspring should have spherical seeds.
Antworten
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100%
-
25%
-
50%
-
75%
Frage 74
Frage
A phenotypic ratio of 3:1 in the offspring of a mating of two heterozygous organisms for spherical pea shape is expected because:
Antworten
-
the alleles segregate during meiosis
-
each allele contains two mutations
-
the alleles are incompletely dominant
-
only recessive traits are scored
Frage 75
Frage
A genetic cross between two F1-hybrid pea plants for spherical seeds; results in what percentage of seeds expressing wrinkled (recessive) seed shape?
Antworten
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100%
-
75%
-
50%
-
25%
Frage 76
Frage
When true-breeding tall stem pea plants are crossed with true breeding short stem pea plants. all of the [blank_start]F1-generation[blank_end] plants, and 75% of the [blank_start]F2-generation[blank_end] plants have tall stems.
Antworten
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F1-generation
-
F2-generation
-
G1-generation
-
G2-generation
-
F2-generation
-
F1-generation
-
G1-generation
-
G2-generation
Frage 77
Frage
To identify the genotype of yellow-seeded pea plants as either homozygous dominant (YY) or heterozygous (Yy), you could do a test cross with plants of what genotype?
Antworten
-
yy
-
YY
-
Yy
-
Test-cross
Frage 78
Frage
A test cross is used to determine if the genotype of a plant with the dominant phenotype is homozygous or heterozygous. If the unknown is homozygous, all of the offspring of the test cross have the __________ phenotype. If the unknown is heterozygous, half of the offspring will have the __________ phenotype.
Antworten
-
dominant, recessive
-
dominant, incompletely dominant
-
recessive, dominant
-
codominant, recessive
Frage 79
Frage
In Mendel's experiments, if the gene for tall (T) plants was incompletely dominant over the gene for short (t) plants, what would be the result of crossing two Tt plants?
Antworten
-
25% would be tall; 50% would be intermediate; 25% would be short
-
All the offspring would be intermediate
-
50% would be tall; 25% would be intermediate; 25% would be short
-
25% would be tall; 25% would be intermediate; 50% would be short
Frage 80
Frage
A woman with type A blood and a man with type B blood could potentially have offspring with which of the following blood types?
Antworten
-
Type A
-
Type B
-
Type AB
-
Type O
-
All options are possible
Frage 81
Frage
What are the possible blood types of the offspring of a cross between individuals that are type AB and type O?
Antworten
-
AB or O
-
A, B, or O
-
A or B
-
A, B, or AB
Frage 82
Frage
A genetic cross of inbred snapdragons with red flowers with inbred snapdragons with white flowers resulted in F1-hybrid offspring that all had pink flowers. When the F1 plants were self-pollinated, the resulting F2-generation plants had a phenotypic ratio of 1 red: 2 pink: 1 white. The most likely explanation is:
Antworten
-
This is an example of multifactorial traits
-
This is an example of polygenetic inheritance
-
This is an example of incomplete dominance
-
This is an example of codominance
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