BIOL 1853: Midterm #1

Descrição

Powerpoints: - Scientific Method - Mitosis and Meiosis - Genetics and Heredity - Pedigree & Gene maps
Taylor Goss
Quiz por Taylor Goss, atualizado more than 1 year ago
Taylor Goss
Criado por Taylor Goss aproximadamente 6 anos atrás
24
1

Resumo de Recurso

Questão 1

Questão
What type of logic is scientific inquiry mostly based on?
Responda
  • Inductive
  • Deductive
  • Scientific
  • Inferential
  • Pixie dust

Questão 2

Questão
What are the 3 criteria of a good experimental test of a hypothesis?
Responda
  • Falsification, validity, and truth value
  • Bias, dogma, and timing
  • Test only the experimental variable, predicted time, explanatory power
  • Observation, hypothesis, testing
  • Must have a null hypothesis, alternative hypothesis, be falsifiable

Questão 3

Questão
Male pattern baldness is an example of a _____________ trait?
Responda
  • X-Linked
  • Y-Linked
  • Sex limited
  • Sex influenced
  • Holandric

Questão 4

Questão
How many Barr Bodies are in human female germ cells?
Responda
  • 1
  • 2
  • 3
  • 4
  • 0

Questão 5

Questão
A recessive phenotype is expressed if the genotype is?
Responda
  • Homozygous
  • Heterozygous
  • Hemizygous
  • X-linked
  • Autosomal

Questão 6

Questão
Two parents are homozygous for blonde hair, and blonde hair is dominant over red hair. Which best explains a child with red hair?
Responda
  • Dominant/Recessive
  • Incomplete dominance
  • Co-dominance
  • Epistasis
  • Epigenetics

Questão 7

Questão
For a gene with multiple alleles, what is the maximum number of alleles that a diploid individual can have for that locus?
Responda
  • 1
  • 2
  • 3
  • 4
  • As many alleles are in the population

Questão 8

Questão
What genotype would allow for Bar Bodies in males?
Responda
  • Xo
  • XXX
  • XY
  • XYY
  • XXY

Questão 9

Questão
What kind of cross would explain a ratio 0f 3:1 tall plants to short plants? (you may wish to draw a punnet square)
Responda
  • True breeding tall x true breeding short
  • Heterozygote tall x homozygous short
  • X-linked
  • Heterozygous tall x heterozygous tall
  • None of the above

Questão 10

Questão
The condition when an individual normally has only one allele for a trait (ex: due to sex chromosome, is called)?
Responda
  • Homozygous
  • Heterozygous
  • Hemizygous
  • Lethal
  • Autosomal

Questão 11

Questão
Which of the following apply to Mitosis?
Responda
  • Produce 2 diploid cells
  • Produce 2 haploid cells
  • Produce 4 diploid cells
  • Produce 4 haploid cells
  • Is subject to non-dysjunction
  • Involves recombination
  • Daughter cells are genetically identical to the parent cell
  • Occurs only in animal cells
  • Is for growth and repair
  • Conserves the size of the genome from one generation to the next

Questão 12

Questão
Which of the following apply to meiosis?
Responda
  • Produce 2 diploid cells
  • Produce 2 haploid cells
  • Produce 4 diploid cells
  • Produce 4 haploid cells
  • Is subject to non-dysjunction
  • Involves recombination
  • Daughter cells are genetically identical to the parent cell
  • Occurs only in animal cells
  • Is for growth and repair
  • Conserves the size of the genome from one generation to the next

Questão 13

Questão
What of the following apply to the development and practice of Science?
Responda
  • Immutable
  • Subject to bias
  • Is infallible
  • Separate from culture
  • Is dogmatic
  • Allows for changes in belief as new evidence is accumulated
  • Does not need to be falsifiable
  • Based on observation, hypothesis and testing
  • Was developed by a couple of individuals in the 19th century
  • Theory is based on validity and truth value

Questão 14

Responda
  • Polyploid
  • Diploid
  • Haploid
  • Triploid
  • Dead

Questão 15

Questão
In G, how many chromatids does the cell contain?
Responda
  • 1
  • 2
  • 3
  • 4
  • o

Questão 16

Questão
Which describes this cell?
Responda
  • 2n=2
  • n=2
  • 2n=4
  • n=4
  • n=0

Questão 17

Questão
What stage of the cell cycle is represented?
Responda
  • G1
  • S
  • G2
  • M
  • Cytokinesis

Questão 18

Questão
Which of the above best represents the cell from Part A, in prophase?
Responda
  • A
  • B
  • C
  • D
  • None of the above

Questão 19

Questão
How many homologous pairs are in the cell?
Responda
  • 1
  • 2
  • 4
  • 6
  • 8

Questão 20

Questão
How many chromosomes are in the cell?
Responda
  • 1
  • 2
  • 4
  • 6
  • 8

Questão 21

Questão
How many chromatids are in the cell?
Responda
  • 1
  • 2
  • 4
  • 6
  • 8

Questão 22

Questão
Which of the above best represents metaphase for the cell from parts A and B?
Responda
  • A
  • B
  • C
  • D
  • None of the above

Questão 23

Questão
Which of the above most accurately represents anaphase?
Responda
  • A
  • B
  • C
  • D
  • None of the above

Questão 24

Questão
Which group most accurately represents the products from the parent cell in Part A?
Responda
  • A
  • B
  • C
  • D
  • None of the above

Questão 25

Questão
Assuming a dominant/recessive relationship between T and t, what are the phenotype ration of the cross?
Responda
  • 1/4 TT, 1/4tt, 1/2Tt
  • 3:1 tall : short
  • 1:1 tall : short
  • 1:1:1 tall : medium : short
  • All tall

Questão 26

Questão
Assuming an incomplete dominance relationship between T and t, what are the phenotype ratio of the cross?
Responda
  • 1/4 TT, 1/4 tt, 1/2 Tt
  • 1:1:1 tall : medium : short
  • 1:2:1 tall : medium : short
  • 3:1 tall : short
  • All short

Questão 27

Questão
Assuming that T is dominate to t, but T is a lethal allele in the homozygous condition, what are the phenotype ratios of the cross?
Responda
  • 1/4 TT, 1/4 tt, 1/2 Tt
  • 1:1:1 tall : medium : short
  • 2:1 tall : short
  • 1:1 tall : short
  • All short

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