Question 1

The microtubules that grow out from the centrosomes

Accepted Answer

A) pull the nuclear envelope apart. 
B) pull the centrosomes together. 
C) eventually become kinetochores. 
D) eventually attach to centromeres. 
A) pull the nuclear envelope apart. 
B) pull the centrosomes together. 
C) eventually become kinetochores. 
D) eventually attach to centromeres.

Question 2

Cytokinesis and mitosis are the same processes.

Accepted Answer

A) True 
 B)False

Question 3

As the ____________________ separate during prophase, they determine opposite ends, or spindle poles, of a cell that is beginning mitosis.

Accepted Answer

The answer of As the ____________________ separate during prophase, they...

Question 4

Chromosomes are lined up at the middle of the cell during the _____ portion of cell division.

Accepted Answer

A) metaphase 
B) anaphase 
C) telophase 
D) interphase 
A) metaphase 
B) anaphase 
C) telophase 
D) interphase

Question 5

During independent assortment the paternal and maternal homologous chromosomes separate into different daughter cells.

Accepted Answer

A) True 
 B)False

Question 6

Unlike mitosis, the nuclear membrane does not break down in meiosis II.

Accepted Answer

A) True 
 B)False

Question 7

The completion of the physical division of the parent cell during the last stage of mitosis is known as

Accepted Answer

A) centrosome formation. 
B) G0. 
C) cytokinesis. 
D) meiosis. 
A) centrosome formation. 
B) G0. 
C) cytokinesis. 
D) meiosis.

Question 8

The two sister chromatids of a single chromosome are held together by a

Accepted Answer

A) centrosome. 
B) spindle fiber. 
C) centromere. 
D) chromatin. 
A) centrosome. 
B) spindle fiber. 
C) centromere. 
D) chromatin.

Question 9

Meiosis I is almost identical to the events in mitosis.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following could be determined from a karyotype?

Accepted Answer

A) the gender of the individual that provided the sample 
B) whether the source of the sample was from a nonhuman species 
C) whether the source of the sample was from a somatic cell or a gamete 
D) all of the above 
A) the gender of the individual that provided the sample 
B) whether the source of the sample was from a nonhuman species 
C) whether the source of the sample was from a somatic cell or a gamete 
D) all of the above

Question 11

The bivalents of homologous chromosomes undergo crossing-over. What is the significance of this process?

Accepted Answer

A) Two copies of the same chromosome are allowed to become part of the same gamete. 
B) The resulting gametes will have different gene combinations than their parent cells' gene combinations. 
C) The bivalent chromosomes are able to exchange genetic material with other pairs of chromosomes. 
D) The gametes that are produced will have twice as many chromosomes as the parent cells had. 
A) Two copies of the same chromosome are allowed to become part of the same gamete. 
B) The resulting gametes will have different gene combinations than their parent cells' gene combinations. 
C) The bivalent chromosomes are able to exchange genetic material with other pairs of chromosomes. 
D) The gametes that are produced will have twice as many chromosomes as the parent cells had.

Question 12

During anaphase, daughter chromosomes

Accepted Answer

A) are condensed into chromatin. 
B) move toward opposite spindle poles. 
C) form homologous pairs. 
D) move toward the same spindle pole. 
A) are condensed into chromatin. 
B) move toward opposite spindle poles. 
C) form homologous pairs. 
D) move toward the same spindle pole.

Question 13

Microtubules attach to plaques of protein called ____________________ on chromosomes.

Accepted Answer

The answer of Microtubules attach to plaques of protein called...

Question 14

Some human cells, skeletal muscle for example, are multinucleated and originate when uninucleated cells fuse. What cell division process alone could produce a multinucleated cell?

Accepted Answer

A) a cell experiencing mitosis but not cytokinesis 
B) a cell experiencing cytokinesis but not mitosis 
C) a cell arresting after meiosis I 
D) fertilization of a haploid egg by a diploid sperm 
A) a cell experiencing mitosis but not cytokinesis 
B) a cell experiencing cytokinesis but not mitosis 
C) a cell arresting after meiosis I 
D) fertilization of a haploid egg by a diploid sperm

Question 15

Sister chromatids are held together at a constriction point called a ____________________.

Accepted Answer

The answer of Sister chromatids are held together at a...

Question 16

All cells in a human body undergo the process of meiosis.

Accepted Answer

A) True 
 B)False

Question 17

In what way(s)does a human somatic cell differ from a human gamete?

Accepted Answer

A) Somatic cells are diploid (2n), whereas gametes are haploid (n). 
B) Somatic cells are created by mitosis, whereas gametes are created by meiosis. 
C) Somatic cells differentiate into at least 220 cell types, whereas only two types of gametes exist. 
D) all of the above 
A) Somatic cells are diploid (2n), whereas gametes are haploid (n). 
B) Somatic cells are created by mitosis, whereas gametes are created by meiosis. 
C) Somatic cells differentiate into at least 220 cell types, whereas only two types of gametes exist. 
D) all of the above

Question 18

Which of the following must occur before cell division begins?

Accepted Answer

A) duplication of the nucleus 
B) DNA synthesis 
C) cytokinesis 
D) DNA segregation 
A) duplication of the nucleus 
B) DNA synthesis 
C) cytokinesis 
D) DNA segregation

Question 19

Which of the following is true of the chromosomes in a homologous pair?

Accepted Answer

A) They both came from the organism's mother. 
B) They both came from the organism's father. 
C) One chromosome came from each of the organism's parents. 
D) Neither chromosome came from the organism's parents. 
A) They both came from the organism's mother. 
B) They both came from the organism's father. 
C) One chromosome came from each of the organism's parents. 
D) Neither chromosome came from the organism's parents.

Question 20

A drug inhibits the formation of microtubules. This drug is added to a culture of cells during G₂. How might this drug affect the cell division?

Accepted Answer

A) Cytokinesis could not occur. 
B) The nuclear envelope would be unable to break down. 
C) DNA synthesis would not occur. 
D) The spindle apparatus would be unable to form. 
A) Cytokinesis could not occur. 
B) The nuclear envelope would be unable to break down. 
C) DNA synthesis would not occur. 
D) The spindle apparatus would be unable to form.

Exam 10: Cell Division

The microtubules that grow out from the centrosomes

Cytokinesis and mitosis are the same processes.

As the ____________________ separate during prophase, they determine opposite ends, or spindle poles, of a cell that is beginning mitosis.

Chromosomes are lined up at the middle of the cell during the _____ portion of cell division.

During independent assortment the paternal and maternal homologous chromosomes separate into different daughter cells.

Unlike mitosis, the nuclear membrane does not break down in meiosis II.

The completion of the physical division of the parent cell during the last stage of mitosis is known as

The two sister chromatids of a single chromosome are held together by a

Meiosis I is almost identical to the events in mitosis.

Which of the following could be determined from a karyotype?

The bivalents of homologous chromosomes undergo crossing-over. What is the significance of this process?

During anaphase, daughter chromosomes

Microtubules attach to plaques of protein called ____________________ on chromosomes.

Some human cells, skeletal muscle for example, are multinucleated and originate when uninucleated cells fuse. What cell division process alone could produce a multinucleated cell?

Sister chromatids are held together at a constriction point called a ____________________.

All cells in a human body undergo the process of meiosis.

In what way(s)does a human somatic cell differ from a human gamete?

Which of the following must occur before cell division begins?

Which of the following is true of the chromosomes in a homologous pair?

A drug inhibits the formation of microtubules. This drug is added to a culture of cells during G₂. How might this drug affect the cell division?

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