Question 1

How long does it take to proceed from prophase I to metaphase I in oogenesis?

Accepted Answer

A) One follows directly after the other. 
B) There is usually a pause of about 1 hour. 
C) It varies,but on the order of years. 
D) There is a pause for a day. 
E) There is a pause for about a month. 
A) One follows directly after the other. 
B) There is usually a pause of about 1 hour. 
C) It varies,but on the order of years. 
D) There is a pause for a day. 
E) There is a pause for about a month.

Question 2

When do the centromeres divide in meiosis?

Accepted Answer

A) prophase I 
B) prophase II 
C) anaphase I 
D) anaphase II 
E) telophase I 
A) prophase I 
B) prophase II 
C) anaphase I 
D) anaphase II 
E) telophase I

Question 3

In which stage of meiosis do homologous chromosomes separate from each other?

Accepted Answer

A) metaphase I 
B) metaphase II 
C) anaphase I 
D) anaphase II 
E) interkinesis 
A) metaphase I 
B) metaphase II 
C) anaphase I 
D) anaphase II 
E) interkinesis

Question 4

In a translocation,all of the DNA is present,and there is only one copy of each piece.

Accepted Answer

A) True 
 B)False

Question 5

Independent alignment creates genetic variation.This is associated with which stage of meiosis?

Accepted Answer

A) prophase I 
B) metaphase I 
C) prophase II 
D) metaphase II 
E) anaphase II 
A) prophase I 
B) metaphase I 
C) prophase II 
D) metaphase II 
E) anaphase II

Question 6

All the products of oogenesis are equal in size and content.

Accepted Answer

A) True 
 B)False

Question 7

External signals such as hormones and growth factors can stimulate a cell to go through the cell cycle.

Accepted Answer

A) True 
 B)False

Question 8

Which phase of meiosis matches those of mitosis in regards to the events occurring in the cell?

Accepted Answer

A) anaphase II and anaphase 
B) anaphase I and prophase 
C) metaphase I and prophase 
D) telophase II and telophase 
E) none of the phases of meiosis will match up with mitosis 
A) anaphase II and anaphase 
B) anaphase I and prophase 
C) metaphase I and prophase 
D) telophase II and telophase 
E) none of the phases of meiosis will match up with mitosis

Question 9

Two sister chromatids are held together at the

Accepted Answer

A) centromere. 
B) spindle. 
C) aster. 
D) telomere. 
E) autosomE. 
A) centromere. 
B) spindle. 
C) aster. 
D) telomere. 
E) autosomE.

Question 10

In what stage of meiosis does synapsis occur?

Accepted Answer

A) prophase I 
B) prophase II 
C) metaphase I 
D) metaphase II 
E) anaphase I 
A) prophase I 
B) prophase II 
C) metaphase I 
D) metaphase II 
E) anaphase I

Question 11

What structure is not divided during cytokinesis?

Accepted Answer

A) chromosomes 
B) cell membrane 
C) cell wall 
D) cytoplasm 
E) endoplasmic reticulum 
A) chromosomes 
B) cell membrane 
C) cell wall 
D) cytoplasm 
E) endoplasmic reticulum

Question 12

How are Jacobs and Klinefelter syndromes alike?

Accepted Answer

A) Both have only two X chromosomes. 
B) Both have only two Y chromosomes. 
C) Both have three sex chromosomes. 
D) Both have one sex chromosome. 
E) Both have only 45 chromosomes. 
A) Both have only two X chromosomes. 
B) Both have only two Y chromosomes. 
C) Both have three sex chromosomes. 
D) Both have one sex chromosome. 
E) Both have only 45 chromosomes.

Question 13

Trisomy of which pair of chromosomes has the greatest chance of survival?

Accepted Answer

A) XX 
B) pair 13 
C) pair 8 
D) pair 3 
E) pair 15 
A) XX 
B) pair 13 
C) pair 8 
D) pair 3 
E) pair 15

Question 14

What happens at the G2 checkpoint?

Accepted Answer

A) The cell makes a commitment to divide. 
B) The cell receives external signals to divide. 
C) The cell checks that the DNA has replicated. 
D) The cell makes sure the chromosomes are lined up correctly. 
E) The cell enters G0. 
A) The cell makes a commitment to divide. 
B) The cell receives external signals to divide. 
C) The cell checks that the DNA has replicated. 
D) The cell makes sure the chromosomes are lined up correctly. 
E) The cell enters G0.

Question 15

How are G1 and G2 different?

Accepted Answer

A) The cell copies its DNA during G1 but not G2. 
B) The cell does not grow during G1 but doubles its organelles in G2. 
C) In G1,the cell prepares to synthesize its DNA and in G2,it synthesizes the proteins needed for cell division. 
D) The cell spends much more time in G2 than in G1. 
E) Mitosis occurs during G1 but not during G2. 
A) The cell copies its DNA during G1 but not G2. 
B) The cell does not grow during G1 but doubles its organelles in G2. 
C) In G1,the cell prepares to synthesize its DNA and in G2,it synthesizes the proteins needed for cell division. 
D) The cell spends much more time in G2 than in G1. 
E) Mitosis occurs during G1 but not during G2.

Question 16

Which type of change in chromosome structure characterizes cri du chat syndrome?

Accepted Answer

A) deletion 
B) duplication 
C) translocation 
D) inversion 
E) trisomy 
A) deletion 
B) duplication 
C) translocation 
D) inversion 
E) trisomy

Question 17

If a cell has 4 pairs of chromosomes,after mitosis each daughter cell will have how many chromosomes?

Accepted Answer

A) 2 
B) 4 
C) 8 
D) 16 
E) 32 
A) 2 
B) 4 
C) 8 
D) 16 
E) 32

Question 18

Cytokinesis is the division of the ___________.

Accepted Answer

A) cytoplasm 
B) nucleus 
C) chromosomes 
D) chromatin 
E) zygote 
A) cytoplasm 
B) nucleus 
C) chromosomes 
D) chromatin 
E) zygote

Question 19

How do proto-oncogenes affect the cell cycle?

Accepted Answer

A) stimulate it 
B) inhibit it 
C) they do not affect the cell cycle 
D) they cause it to temporarily pause and then rapidly accelerate 
E) they rapidly accelerate it and then cause it to pause 
A) stimulate it 
B) inhibit it 
C) they do not affect the cell cycle 
D) they cause it to temporarily pause and then rapidly accelerate 
E) they rapidly accelerate it and then cause it to pause

Question 20

In which two phases of mitosis does the nuclear membrane appear or disappear?

Accepted Answer

A) prophase and metaphase 
B) metaphase and anaphase 
C) prophase and anaphase 
D) anaphase and telophase 
E) prophase and telophase 
A) prophase and metaphase 
B) metaphase and anaphase 
C) prophase and anaphase 
D) anaphase and telophase 
E) prophase and telophase

Exam 19: Patterns of Chromosome Inheritance

How long does it take to proceed from prophase I to metaphase I in oogenesis?

When do the centromeres divide in meiosis?

In which stage of meiosis do homologous chromosomes separate from each other?

In a translocation,all of the DNA is present,and there is only one copy of each piece.

Independent alignment creates genetic variation.This is associated with which stage of meiosis?

All the products of oogenesis are equal in size and content.

External signals such as hormones and growth factors can stimulate a cell to go through the cell cycle.

Which phase of meiosis matches those of mitosis in regards to the events occurring in the cell?

Two sister chromatids are held together at the

In what stage of meiosis does synapsis occur?

What structure is not divided during cytokinesis?

How are Jacobs and Klinefelter syndromes alike?

Trisomy of which pair of chromosomes has the greatest chance of survival?

What happens at the G2 checkpoint?

How are G1 and G2 different?

Which type of change in chromosome structure characterizes cri du chat syndrome?

If a cell has 4 pairs of chromosomes,after mitosis each daughter cell will have how many chromosomes?

Cytokinesis is the division of the ___________.

How do proto-oncogenes affect the cell cycle?

In which two phases of mitosis does the nuclear membrane appear or disappear?

Exploring Life and Science

Chemistry of Life

Cell Structure and Function

Organization and Regulation of Body Systems

Cardiovascular System: Heart and Blood Vessels

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Biology of Infectious Diseases

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Nervous System

Senses

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Development and Aging

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Patterns of Genetic Inheritance

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Filters

What happens at the G₂ checkpoint?

How are G₁ and G₂ different?