Lect 1 Overview

Question 1

During what stage of meiosis do the chromosomes begin to coil?

a. Leptotene
b. Zygotene
c. Pachytene
d. Diplotene
e. Diakinesis

Answer 1

a. Leptotene

Question 2

During what stage of meiosis do the homologous chromosomes pair in synapsis?

a. Leptotene
b. Zygotene
c. Pachytene
d. Diplotene
e. Diakinesis

Answer 2

b. Zygotene

Question 3

During what stage of meiosis does crossing-over begin?

a. Leptotene
b. Zygotene
c. Pachytene
d. Diplotene
e. Diakinesis

Answer 3

c. Pachytene

Question 4

During what stage of meiosis are female primary oocytes arrested until puberty?

a. Leptotene
b. Zygotene
c. Pachytene
d. Diplotene
e. Diakinesis

Answer 4

d. Diplotene

Question 5

During what stage of meiosis is the spindle apparatus in place and the nuclear membrane disrupted?

a. Leptotene
b. Zygotene
c. Pachytene
d. Diplotene
e. Diakinesis

Answer 5

e. Diakinesis

Question 6

True or False. At the end of Meiosis I, the daughter cells will be haploid.

Answer 6

True

Question 7

At what point in Meiosis I and II do the centromeres divide?

a. Metaphase I
b. Anaphase I
c. Metaphase II
d. Anaphase II

Answer 7

c. Metaphase II

Question 8

What is the end result of Meiosis I?

Answer 8

Two genetically unique haploid daughter cells (1n, 2c)

Question 9

What is the end result of Meiosis II?

Answer 9

Four genetically unique haploid daughter cells (1n, 1c)