Frage 1
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A carrier of a trait controlled by a [blank_start]recessive[blank_end] allele [blank_start]does not[blank_end] have the trait.
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recessive
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generic
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does not
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does
Frage 2
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The carrier of a recessive allele can pass it on to their offspring
Frage 3
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Sex linked genes can have only dominant alleles
Frage 4
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Genes on the X and Y chromosomes are often called...
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Dominant alleles
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Recessive alleles
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Sex-linked alleles
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Sex- linked genes
Frage 5
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Females have only [blank_start]X chromosomes,[blank_end] but males have both and [blank_start]X and a Y.[blank_end]
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X chromosomes,
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Y Chromosomes
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X and a Y.
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X and and X
Frage 6
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Which one is not one of the three patterns of inheritance in humans?
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Single Gene with Two Alleles
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Single Genes with Multiple Alleles
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Traits controlled by many genes
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Traits by controlled by a single gene with no alleles
Frage 7
Frage
How many human blood types are there ?
Antworten
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4 A,B,AB,O
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4 A,B,C,D
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4 A,B,AB,BA
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3 A,B,o
Frage 8
Frage
the [blank_start]sex chromosomes[blank_end] carry genes that determine wether a person is [blank_start]able or female[blank_end] and carry genes that determine other traits
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sex chromosomes
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sex linked genes
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male or female
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color blind
Frage 9
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A person's characteristics are determined only by genes
Frage 10
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Colorblindness is a trait controlled by a [blank_start]recessive[blank_end] allele on the [blank_start]X[blank_end] chromosome.
Frage 11
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A carrier is a person who has one [blank_start]recessive allele[blank_end] for a trait and one [blank_start]dominant allele.[blank_end]
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recessive allele
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dominant allele
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dominant allele.
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dormant gene
Frage 12
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The two causes of genetic disorders in humans are mutations in the [blank_start]DNA[blank_end] of genes and changes in teh overall structure or number of [blank_start]chromosome[blank_end]s.
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DNA
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structure
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chromosomes
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genes
Frage 13
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Genetic disorder that makes the body produce abnormally thick mucus in the lungs and intestines.
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SIckle Cell disease
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Cystic Fibrosis
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Hemophilia
Frage 14
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One important tool that geneticist use to trace the [blank_start]inheritance of traits[blank_end] in humans is a [blank_start]pedigree chart[blank_end] or family tree.
Frage 15
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Down Syndrome is when a person's cells have an extra copy of [blank_start]chromosome 21[blank_end].
Frage 16
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Today doctors use [blank_start]karyotypes[blank_end] to help diagnose genetic disorders
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karyotypes
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pedigree
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genotypes
Frage 17
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What is the genetic cause of cystic fibrosis?
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Loss of 3 DNA bases
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Adding 3 DNA bases
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Loss of 2 DNA bases
Frage 18
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An examle of a human trait that is controlled by more than one gene is
Antworten
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blood type
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skin color
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widow's peak
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dimples
Frage 19
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A person who has one recessive and one dominant allele for a trait is called a
Antworten
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homozygote
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carrier
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clone
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hybrid
Frage 20
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A genetic disorder in which the person's blood clots very slow if at all is
Antworten
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sickle cell disease
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cystic fibrosis
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down's syndrome
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hemohilia
Frage 21
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The crsossing of two individuals that have similar characteristics is referred to as
Antworten
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genetic engineering
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hybridization
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inbreeding
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cloning
Frage 22
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The transfer of genes from one organism to another is called
Antworten
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hybridization
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cloning
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selective breeding
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genetic engineering
Frage 23
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A chart that tracks which members of a family have a particular trait is called a
Antworten
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pedigree
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Punnett Square
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karyotype
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genome
Frage 24
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In a pedigree, a square is used to represent a
Antworten
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female
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male
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carrier
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clone
Frage 25
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The [blank_start]sex[blank_end] chromosomes determine if a person is a male or female
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sex
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multiple
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recessive
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gene
Frage 26
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An abnormal condition that a person inherits through genes or chromosomes is a
Antworten
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pedigree
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gene therapy
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genetic disorer
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karyotype
Frage 27
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Three or more forms of a gene that code for a single trait are called multiple alleles
Frage 28
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Sex-linked recessive traits are more common in females
Frage 29
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Sickle Cell disease is a genetic disorder in which the body produces abnormally thick mucus.
Frage 30
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The process of selecting a few organisms with desired traits to serve as parents of the next generation is called genetic engineering
Frage 31
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In karyotyping a person's DNA is cut into fragments, which are separated to form a pattern.
Frage 32
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A(n) [blank_start]genome[blank_end] is all the DNA in one cell of an organism.
Frage 33
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The goal of the [blank_start]human genome project[blank_end] has been to identify the DNA sequence of every human gene
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human genome project
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clone
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genetic engineering.
Frage 34
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A [blank_start]clone[blank_end] is an organism that is genetically identifcal to the organism from which it was produced.
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clone
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genome
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selective breed
Frage 35
Frage
Why is hemophilia more common in males?
Antworten
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Sex linked trait on the X chromosome
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Sex linked trait on the Y chromosome
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Recessive trait on the Y chromosome
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Dominant trait on the Y chromosome
Frage 36
Frage
A couple has a son who does not have symptoms of sickle-cell disease has no chance of having abnormal hemoglobin
Frage 37
Frage
3 methods that people have used to produce plants and animals with desireable traits include
Antworten
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The Human Genome Project, selective breeding and cloning
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Cloning, selective breeding, and genetic engineering
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Karyotype, cloning, selective breeding
Frage 38
Frage
Which parent basically controls the trait for colorblindness for the sons?
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The father, because he has the Y chromosome?
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The mother, because the trait is passed on the X chromosome
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It could be either, because it is a recessive allele
Frage 39
Frage
Only the [blank_start]female[blank_end] gender can be a carrier of a sex-linked trait.