Question 1

During which phase of meiosis will the homologous chromosomes pair up?

Accepted Answer

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

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

How many chromosome pairs does a human have?

Accepted Answer

A)  23 
B)  25 
C)  46 
D)  50 
E)  92 
A)  23 
B)  25 
C)  46 
D)  50 
E)  92

Question 4

The centromere is the structure that holds the chromatids together.

Accepted Answer

A) True 
 B)False

Question 5

If nondisjunction occurs during meiosis I, how many of the final four products will be abnormal?

Accepted Answer

A)  one 
B)  two 
C)  four 
D)  three 
E)  none 
A)  one 
B)  two 
C)  four 
D)  three 
E)  none

Question 6

At what two checkpoints does the cell check for the integrity of the DNA?

Accepted Answer

A)  G1 and G2 
B)  G1 and mitotic 
C)  G2 and mitotic 
D)  cytokinesis and G2 
E)  G1 and cytokinesis 
A)  G1 and G2 
B)  G1 and mitotic 
C)  G2 and mitotic 
D)  cytokinesis and G2 
E)  G1 and cytokinesis

Question 7

If an organism does not undergo meiosis, then it cannot undergo sexual reproduction.

Accepted Answer

A) True 
 B)False

Question 8

If an organism has four pairs of chromosomes, after meiosis, the daughter cells will contain 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 9

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 10

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 11

In a karyotype it can be seen that a homologous pair of duplicated chromosomes will contain how many chromatids?

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
E)  six 
A)  one 
B)  two 
C)  three 
D)  four 
E)  six

Question 12

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 13

If the parent cell has 24 chromosomes, and each of the daughter cells has 24 chromosomes, then the cell has undergone

Accepted Answer

A)  mitosis. 
B)  meiosis I. 
C)  meiosis II. 
D)  G1 
E)  none of these 
A)  mitosis. 
B)  meiosis I. 
C)  meiosis II. 
D)  G1 
E)  none of these

During which phase of meiosis will the homologous chromosomes pair up?

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

How many chromosome pairs does a human have?

The centromere is the structure that holds the chromatids together.

If nondisjunction occurs during meiosis I, how many of the final four products will be abnormal?

At what two checkpoints does the cell check for the integrity of the DNA?

If an organism does not undergo meiosis, then it cannot undergo sexual reproduction.

If an organism has four pairs of chromosomes, after meiosis, the daughter cells will contain how many chromosomes?

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

What happens at the G₂ checkpoint?

In a karyotype it can be seen that a homologous pair of duplicated chromosomes will contain how many chromatids?

How do proto-oncogenes affect the cell cycle?

If the parent cell has 24 chromosomes, and each of the daughter cells has 24 chromosomes, then the cell has undergone

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Exam 19: Patterns of Chromosome Inheritance

During which phase of meiosis will the homologous chromosomes pair up?

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

How many chromosome pairs does a human have?

The centromere is the structure that holds the chromatids together.

If nondisjunction occurs during meiosis I, how many of the final four products will be abnormal?

At what two checkpoints does the cell check for the integrity of the DNA?

If an organism does not undergo meiosis, then it cannot undergo sexual reproduction.

If an organism has four pairs of chromosomes, after meiosis, the daughter cells will contain how many chromosomes?

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

What happens at the G2 checkpoint?

In a karyotype it can be seen that a homologous pair of duplicated chromosomes will contain how many chromatids?

How do proto-oncogenes affect the cell cycle?

If the parent cell has 24 chromosomes, and each of the daughter cells has 24 chromosomes, then the cell has undergone

Human Organization

Chemistery of Life

Cell Structure and Function

Torganization and Regulation of Body Systems

Cardiovascular System : Heart and Blood Vessels

Cardiovascular System : Blood

The Lumphatic and Immune Systems

Biology of Infectious Diseases

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocring System

Reproductive System

Development and Aging

Cancer

Patterns of Genetic Inheritance

Dna Piology and Technology

Hummen Evolution

Ecology and the Nature of Ecosystems

Hummen Interactions With the Biosphere

Filters

What happens at the G₂ checkpoint?