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Biology 2015

Sylvia S. Mader, Michael Windelspecht

Chapter 10

Meiosis and Sexual Reproduction

Educators

MP
CW
+ 9 more educators

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 S.
Numerade Educator

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 T.
Numerade Educator

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 T.
Numerade Educator

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 S.
Numerade Educator

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 T.
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.

AR
Ashley R.
Numerade Educator

Problem 8

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

James T.
Numerade Educator

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 T.
Numerade Educator

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 T.
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 U.
Numerade Educator

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 T.
Numerade Educator

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 L.
Numerade Educator

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 T.
Numerade Educator

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 Y.
Numerade Educator

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 S.
Numerade Educator

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 C.
Numerade Educator

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 L.
Numerade Educator