Question 1

Match the events listed below to the following processes. A process may be used once, more than once, or not at all.
-Sister chromatids are separated.

Accepted Answer

A)  prophase I
B)  prometaphase I
C)  metaphase I
D)  anaphase I
E)  telophase IF) prophase IIG) prometaphase IIH) metaphase III) anaphase IIJ) telophase IIK) B) and G)
L) C) and F)

Question 2

Which phrase describes how identical twins can result?

Accepted Answer

A)  from the fusion of two paternal gametes with a single maternal gamete that then divides
B)  from a lack of chromosomal separation during meiosis, resulting in gametes that are diploid and do not need to be fertilized
C)  from the fusion of two sets of identical gametes
D)  from a division of a zygote into two separate cells that develop into two separate embryosE) C) and D)
F) B) and D)

Question 3

What sort of phage is bacteriophage lambda considered to be?

Accepted Answer

A)  a virulent phage
B)  a plant phage
C)  an animal phage
D)  a temperate phageE) A) and C)
F) All of the above

Question 4

Match each term with its correct definition.
-transduction

Accepted Answer

A)  movement of bacterial DNA from one cell to another inside a bacteriophage
B)  a virus
C)  particular segments of DNA that move from one place to another
D)  simplest TEs
E)  enzyme that catalyzes reactions to insert or remove TEsF) DNA that has an inverted repeat sequence at each endG) enzyme that uses an RNA template to make a DNA copy of the retrotransposonH) transferring DNA using a virusI) B) and G)
J) A) and B)

Question 5

Which term refers to media that contain water, organic carbon sources, and salts, but no extra nutritional components?

Accepted Answer

A)  nutritious media
B)  complete media
C)  minimal media
D)  agar mediaE) A) and B)
F) C) and D)

Question 6

Match the events listed below to the following processes. A process may be used once, more than once, or not at all.
-Nuclear envelope reforms in all species.

Accepted Answer

A)  prophase I
B)  prometaphase I
C)  metaphase I
D)  anaphase I
E)  telophase IF) prophase IIG) prometaphase IIH) metaphase III) anaphase IIJ) telophase IIK) None of the above
L) B) and E)

Question 7

Match each term with its correct definition.
-haploid

Accepted Answer

A)  cell division that is modified to generate haploid cells
B)  haploid products of meiosis
C)  matching of homologous pairs of chromosomes during prophase I
D)  term used to describe cells having two sets of chromosomes
E)  diploid body cells that do not undergo meiosisF) term used to describe cells having a single set of chromosomesG) life strategy that involves fusion of haploid gametes from two source organisms to form a diploid cellH) another name for cross-over sitesI) variant of a particular gene having a slightly different DNA sequence than another variant of the same geneJ) diploid product of gamete fusionK) process of gamete fusionL) C) and H)
M) F) and I)

Question 8

What would be the outcome, in genetic terms, of recombination between sister chromatids?

Accepted Answer

A)  Genetic diversity is unaffected.
B)  Genetic diversity is decreased.
C)  Genetic diversity is increased.
D)  Nonhomologous chromatids are formed.E) B) and C)
F) A) and C)

Question 9

Which sentence best describes what occurs during bacterial conjugation?

Accepted Answer

A)  Cells exchange their entire genome.
B)  Cells contact each other using a sex pilus to obtain new alleles.
C)  Cells contact each other to exchange proteins.
D)  Cells disrupt each other.E) None of the above
F) All of the above

Question 10

Hfr cells can integrate the F factor and some genes into the bacterial chromosome. How do Hfr cells accomplish this?

Accepted Answer

A)  through crossing-over
B)  through mitosis
C)  through meiosis
D)  through prophaseE) None of the above
F) A) and B)

Question 11

Which pattern of diploid and haploid phases reflects the life cycle of animals?

Accepted Answer

A)  alternation between haploid and diploid generations
B)  one haploid generation followed by two diploid generations
C)  two haploid generations followed by a diploid generation
D)  a single generation that limits the haploid state to gametes, while the rest of the organism is diploidE) B) and D)
F) B) and C)

Question 12

Which pattern of diploid and haploid phases reflects the life cycle of plants?

Accepted Answer

A)  alternation between haploid and diploid generations
B)  one haploid generation followed by two diploid generations
C)  two haploid generations followed by a diploid generation
D)  a single generation that limits the haploid state to gametes, while the rest of the organism is diploidE) A) and D)
F) A) and C)

Question 13

Match each term with its correct definition.
-meiosis

Accepted Answer

A)  cell division that is modified to generate haploid cells
B)  haploid products of meiosis
C)  matching of homologous pairs of chromosomes during prophase I
D)  term used to describe cells having two sets of chromosomes
E)  diploid body cells that do not undergo meiosisF) term used to describe cells having a single set of chromosomesG) life strategy that involves fusion of haploid gametes from two source organisms to form a diploid cellH) another name for cross-over sitesI) variant of a particular gene having a slightly different DNA sequence than another variant of the same geneJ) diploid product of gamete fusionK) process of gamete fusionL) A) and E)
M) B) and G)

Question 14

Explain the purpose of meiosis.

Accepted Answer

Meiosis is a process that reduces the ch...

Question 15

Which phrase best describes sister chromatids?

Accepted Answer

A)  two chromosomes having an identical DNA sequence
B)  two chromosomes having different alleles of the same genes arranged in a different order
C)  two chromosomes having the same alleles of the same genes in a different order
D)  two chromosomes having the same genes in the same order, but having different allelesE) B) and C)
F) C) and D)

Question 16

Suppose that two strains of E. coli-strain a (bio- met- leu+ thr+ thi+)  and strain b (bio+ met+ leu- thr- thi-) -conjugate. If the two strains are grown on minimal medium, what is the most likely genotype of their offspring?

Accepted Answer

A)  bio+ met- leu- thr- thi+
B)  bio+ met+ leu+ thr+ thi+
C)  bio+ met+ leu- thr- thi+
D)  bio- met- leu- thr- thi+E) A) and D)
F) C) and D)

Question 17

During bacterial conjugation, bacterial DNA with different alleles get together. What is the name of the long tubular structure that bacteria use to obtain differing alleles?

Accepted Answer

A)  the sex pilus
B)  the metabolic pilus
C)  the flagellum
D)  the asexual pilusE) A) and B)
F) A) and C)

Question 18

Suppose that a researcher is looking for met- strains of E. coli. She compares two plates. One plate has colonies growing on complete media. The other plate has colonies growing on methionine-deficient media. How can the researcher determine which colonies are met-?

Accepted Answer

A)  by replica plating the plate with minimal media onto one with complete media
B)  by streaking all individual colonies on minimal media
C)  by replica plating the plate with complete media onto one with minimal media
D)  by growing the bacteria in broth media that is completeE) A) and D)
F) None of the above

Question 19

Match the events listed below to the following processes. A process may be used once, more than once, or not at all.
-Spindles are disassembled and replaced by new spindles.

Accepted Answer

A)  prophase I
B)  prometaphase I
C)  metaphase I
D)  anaphase I
E)  telophase IF) prophase IIG) prometaphase IIH) metaphase III) anaphase IIJ) telophase IIK) A) and J)
L) C) and F)

Question 20

Match each term with its correct definition.
-somatic cells

Accepted Answer

A)  cell division that is modified to generate haploid cells
B)  haploid products of meiosis
C)  matching of homologous pairs of chromosomes during prophase I
D)  term used to describe cells having two sets of chromosomes
E)  diploid body cells that do not undergo meiosisF) term used to describe cells having a single set of chromosomesG) life strategy that involves fusion of haploid gametes from two source organisms to form a diploid cellH) another name for cross-over sitesI) variant of a particular gene having a slightly different DNA sequence than another variant of the same geneJ) diploid product of gamete fusionK) process of gamete fusionL) J) and K)
M) B) and J)

Exam 9: Genetic Recombination

Match each term with its correct definition. -meiosis

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What sort of phage is bacteriophage lambda considered to be?

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Which pattern of diploid and haploid phases reflects the life cycle of animals?

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Which phrase best describes sister chromatids?

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Match the events listed below to the following processes. A process may be used once, more than once, or not at all. -Nuclear envelope reforms in all species.

Correct AnswerverifiedShow Answer

Which sentence best describes what occurs during bacterial conjugation?

Correct AnswerverifiedShow Answer

Match the events listed below to the following processes. A process may be used once, more than once, or not at all. -Spindles are disassembled and replaced by new spindles.

Correct AnswerverifiedShow Answer

Hfr cells can integrate the F factor and some genes into the bacterial chromosome. How do Hfr cells accomplish this?

Correct AnswerverifiedShow Answer

What would be the outcome, in genetic terms, of recombination between sister chromatids?

Correct AnswerverifiedShow Answer

Which phrase describes how identical twins can result?

Correct AnswerverifiedShow Answer

Explain the purpose of meiosis.

Correct AnswerverifiedMeiosis is a process that reduces the ch...View AnswerShow Answer

Match the events listed below to the following processes. A process may be used once, more than once, or not at all. -Sister chromatids are separated.

Correct AnswerverifiedShow Answer

Match each term with its correct definition. -haploid

Correct AnswerverifiedShow Answer

Suppose that a researcher is looking for met- strains of E. coli. She compares two plates. One plate has colonies growing on complete media. The other plate has colonies growing on methionine-deficient media. How can the researcher determine which colonies are met-?

Correct AnswerverifiedShow Answer

Which term refers to media that contain water, organic carbon sources, and salts, but no extra nutritional components?

Correct AnswerverifiedShow Answer

Match each term with its correct definition. -somatic cells

Correct AnswerverifiedShow Answer

Suppose that two strains of E. coli-strain a (bio- met- leu+ thr+ thi+) and strain b (bio+ met+ leu- thr- thi-) -conjugate. If the two strains are grown on minimal medium, what is the most likely genotype of their offspring?

Correct AnswerverifiedShow Answer

Which pattern of diploid and haploid phases reflects the life cycle of plants?

Correct AnswerverifiedShow Answer

Match each term with its correct definition. -transduction

Correct AnswerverifiedShow Answer

During bacterial conjugation, bacterial DNA with different alleles get together. What is the name of the long tubular structure that bacteria use to obtain differing alleles?

Correct AnswerverifiedShow Answer

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Meiosis is a process that reduces the ch...
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Suppose that a researcher is looking for met^- strains of E. coli. She compares two plates. One plate has colonies growing on complete media. The other plate has colonies growing on methionine-deficient media. How can the researcher determine which colonies are met^-?

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Suppose that two strains of E. coli-strain a (bio^- met^- leu⁺ thr⁺ thi⁺) and strain b (bio⁺ met⁺ leu^- thr^- thi^-) -conjugate. If the two strains are grown on minimal medium, what is the most likely genotype of their offspring?

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