Question 1

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

Accepted Answer

A)   deletion
B)   duplication
C)   translocation
D)   inversionE) C) and D)
F) B) and D)

Question 2

Which aspect of the cytoskeleton is involved in the cleavage furrow?

Accepted Answer

A)   microtubules
B)   intermediate filaments
C)   actin filamentsD) All of the above
E) A) and B)

Question 3

Sexual reproduction introduces more genetic variation than does asexual reproduction.

Accepted Answer

A) True 
 B)False  True

Question 4

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.F) C) and E)
G) B) and D)

Question 5

In what stage of meiosis does synapsis occur?

Accepted Answer

A)   prophase I
B)   prophase II
C)   metaphase I
D)   metaphase II
E)   anaphase IF) None of the above
G) A) and B)

Question 6

Which division of meiosis is like mitosis?

Accepted Answer

A)   meiosis I
B)   meiosis IIC) A) and B)
D) undefined

Question 7

During development from a zygote to a child,what cell division process occurs?

Accepted Answer

A)   mitosis
B)   meiosisC) A) and B)
D) undefined

Question 8

Genetic variation is useful to evolution because environments change.

Accepted Answer

A) True 
 B)False

Question 9

Following mitosis,the daughter cells are identical to the parent cell.

Accepted Answer

A) True 
 B)False  True

Question 10

The product(s) of meiosis I in spermatogenesis is/are

Accepted Answer

A)   primary spermatocytes.
B)   secondary spermatocytes.
C)   spermatids.
D)   spermatazoa.E) B) and C)
F) A) and B)

Question 11

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.C) A) and B)
D) undefined

Question 12

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 13

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

Accepted Answer

A) True 
 B)False

Question 14

Two sister chromatids are held together at the

Accepted Answer

A)   centromere.
B)   spindle.
C)   aster.
D)   telomere.
E)   autosome.F) A) and D)
G) All of the above

Question 15

All the products of oogenesis are the same size.

Accepted Answer

A) True 
 B)False

Question 16

If you are looking at a cell in which 2n = 16,and there appear to be 8 structures lined up at the metaphase plate,then you are looking at

Accepted Answer

A)   mitosis.
B)   meiosis.C) A) and B)
D) undefined B

Question 17

Which of the following is not a stage of interphase?

Accepted Answer

A)   cytokinesis
B)   G1
C)   G2
D)   SE) C) and D)
F) A) and C)

Question 18

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.F) A) and D)
G) None of the above

Question 19

In meiosis there are how many divisions and how many daughter cells?

Accepted Answer

A)   1,2
B)   1,4
C)   2,2
D)   2,4
E)   2,8F) C) and E)
G) B) and C)

Question 20

At what stage of mitosis do sister chromatids become chromosomes?

Accepted Answer

A)   prophase
B)   metaphase
C)   anaphase
D)   telophaseE) A) and D)
F) All of the above

Exam 18: Patterns of Chromosome Inheritance

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

Correct AnswerverifiedShow Answer

Which aspect of the cytoskeleton is involved in the cleavage furrow?

Correct AnswerverifiedShow Answer

Sexual reproduction introduces more genetic variation than does asexual reproduction.

Correct AnswerverifiedTrue

What happens at the G2 checkpoint?

Correct AnswerverifiedShow Answer

In what stage of meiosis does synapsis occur?

Correct AnswerverifiedShow Answer

Which division of meiosis is like mitosis?

Correct AnswerverifiedShow Answer

During development from a zygote to a child,what cell division process occurs?

Correct AnswerverifiedShow Answer

Genetic variation is useful to evolution because environments change.

Correct AnswerverifiedShow Answer

Following mitosis,the daughter cells are identical to the parent cell.

Correct AnswerverifiedTrue

The product(s) of meiosis I in spermatogenesis is/are

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Two sister chromatids are held together at the

Correct AnswerverifiedShow Answer

All the products of oogenesis are the same size.

Correct AnswerverifiedShow Answer

If you are looking at a cell in which 2n = 16,and there appear to be 8 structures lined up at the metaphase plate,then you are looking at

Correct AnswerverifiedB

Which of the following is not a stage of interphase?

Correct AnswerverifiedShow Answer

How are Jacobs and Klinefelter syndromes alike?

Correct AnswerverifiedShow Answer

In meiosis there are how many divisions and how many daughter cells?

Correct AnswerverifiedShow Answer

At what stage of mitosis do sister chromatids become chromosomes?

Correct AnswerverifiedShow Answer

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True

What happens at the G₂ checkpoint?

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True

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B

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