Biology

Sylvia S. Mader, Michael Windelspecht

Chapter 10

Meiosis and Sexual Reproduction - all with Video Answers

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Chapter Questions

Problem 1

If a parent cell has 16 chromosomes, then each of the daughter cells following meiosis will have
a. 48 chromosomes.
b. 32 chromosomes.
c. 16 chromosomes.
d. 8 chromosomes.

Andrew Sum

Andrew Sum

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Problem 2

A bivalent is
a. a homologous chromosome.
b. the paired homologous chromosomes.
c. a duplicated chromosome composed of sister chromatids.
d. the two daughter cells after meiosis I.
e. the two centrioles in a centrosome.

James Thierer

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Problem 3

The synaptonemal complex
a. forms during prophase I of meiosis.
b. allows synapsis to occur.
c. forms between homologous chromosomes.
d. All of these are correct.

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Problem 4

Crossing-over occurs between
a. sister chromatids of the same chromosome.
b. two different kinds of bivalents.
c. two different kinds of chromosomes.
d. nonsister chromatids of a bivalent.
e. two daughter nuclei.

James Thierer

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Problem 5

Which of the following occurs at metaphase I of meiosis?
a. independent assortment
b. crossing-over
c. interkinesis
d. formation of new alles

Jade Schlamb

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Problem 6

At the metaphase plate during metaphase I of meiosis, there are
a. chromosomes consisting of one chromatid.
b. unpaired duplicated chromosomes.
c. bivalents.
d. homologous pairs of chromosomes.
e. Both c and d are correct.

James Thierer

Numerade Educator

Problem 7

At the metaphase plate during metaphase lI of meiosis, there are
a. chromosomes consisting of one chromatid.
b. unpaired duplicated chromosomes.
c. bivalents.
d. homologous pairs of chromosomes.
e. Both c and d are correct.

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Ashley Rawls

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Problem 8

During which phase of meiosis do homologous chromosomes separate?
a. prophase I
b. telophase I
c. anaphase I
d. anaphase lI

James Thierer

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Problem 9

Mitosis _____ chromosome number, whereas meiosis _____ the chromosome number of the daughter cells.
a. maintains; increases
b. increases; maintains
c. increases; decreases
d. maintains; decreases

Eric Tran

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Problem 10

For questions $10-13$ , match the statements that follow to the items in the key. Answers may be used more than once, and more than one answer may be used.
Key:
a. mitosis
b. meiosis
c. meiosis II
d. Both meiosis I and meiosis Il are correct.
e. All of these are correct.
Involves pairing of duplicated homologous chromosomes

James Thierer

Numerade Educator

Problem 11

For questions $10-13$ , match the statements that follow to the items in the key. Answers may be used more than once, and more than one answer may be used.
Key:
a. mitosis
b. meiosis
c. meiosis II
d. Both meiosis I and meiosis Il are correct.
e. All of these are correct.
A parent cell with five duplicated chromosomes will produce daughter cells with five chromosomes consisting of one chromatid each.

Hollie Ulibarri

Hollie Ulibarri

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Problem 12

For questions $10-13$ , match the statements that follow to the items in the key. Answers may be used more than once, and more than one answer may be used.
Key:
a. mitosis
b. meiosis
c. meiosis II
d. Both meiosis I and meiosis Il are correct.
e. All of these are correct.
Nondisjunction may occur, causing abnormal gametes to form.

James Thierer

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Problem 13

For questions $10-13$ , match the statements that follow to the items in the key. Answers may be used more than once, and more than one answer may be used.
Key:
a. mitosis
b. meiosis
c. meiosis II
d. Both meiosis I and meiosis Il are correct.
e. All of these are correct.
Involved in growth and repair of tissues

Kaley Lawrie

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Problem 14

Polar bodies are formed during the process of
a. spermatogenesis.
b. gametophyte formation.
c. sporophyte formation.
d. oogenesis.
e. None of these are correct.

James Thierer

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Problem 15

In humans, gametogenesis results in the formation of
a. diploid egg and sperm cells.
b. gametophytes.
c. sporophytes.
d. haploid egg and sperm cells.
e. a zygote.

NY

Negin Yazdani

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Problem 16

Nondisjunction during meiosis 1 of oogenesis will result in eggs that have
a. the normal number of chromosomes.
b. one too many chromosomes.
c. one less than the normal number of chromosomes.
d. Both b and c are correct.

AS

Abigail Schammel

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Problem 17

In which of the following is genetic material moved between
nonhomologous chromosomes?
$$\begin{array}{ll}{\text { a. insertion }} & {\text { d. translocation }} \\ {\text { b. nondisjunction }} & {\text { e. inversion }} \\ {\text { c. deletion }}\end{array}$$

AC

Amanda Cormier

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Problem 18

Which of the following is not an aneuploid condition?
$$\begin{array}{ll}{\text { a. Turner syndrome }} & {\text { c. Alagille syndrome }} \\ {\text { b. Down syndrome }} & {\text { d. Klinefelter syndrome }}\end{array}$$

Bryan Lynn

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