Question 1

Which cell could you not use to produce a karyotype?

Accepted Answer

A) white blood cells 
B) red blood cells 
C) epithelial cells 
D) smooth muscle cells 
E) skeletal muscle cells 
A) white blood cells 
B) red blood cells 
C) epithelial cells 
D) smooth muscle cells 
E) skeletal muscle cells

Question 2

The amount of time the cell takes for interphase is approximately 1 hour,plus or minus about 5 minutes.

Accepted Answer

A) True 
 B)False

Question 3

In what way is spermatogenesis similar to oogenesis?

Accepted Answer

A) Both occur continuously from puberty on. 
B) Both result in 4 daughter cells. 
C) Both result in cells with half the chromosome number. 
D) Both are arrested in prophase I. 
E) Both result in 1 or 2 polar bodies. 
A) Both occur continuously from puberty on. 
B) Both result in 4 daughter cells. 
C) Both result in cells with half the chromosome number. 
D) Both are arrested in prophase I. 
E) Both result in 1 or 2 polar bodies.

Question 4

At what 2 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 5

List the stages of interphase and the events that occur during each of these stages.

Accepted Answer

G₁ stage:The cell grows and returns to th

Question 6

Which of the following is not a symptom of Down syndrome?

Accepted Answer

A) short stature 
B) eyelid fold 
C) flat face 
D) stubby fingers 
E) indeterminate genitalia 
A) short stature 
B) eyelid fold 
C) flat face 
D) stubby fingers 
E) indeterminate genitalia

Question 7

If nondisjunction occurs during meiosis II,how many of the final 4 products will be abnormal?

Accepted Answer

A) 2 
B) 4 
C) 0 
D) 1 
E) 3 
A) 2 
B) 4 
C) 0 
D) 1 
E) 3

Question 8

Which of the following is not a stage of interphase?

Accepted Answer

A) cytokinesis 
B) G1 
C) G2 
D) S 
A) cytokinesis 
B) G1 
C) G2 
D) S

Question 9

When does a chromosome go from one chromatid to two sister chromatids?

Accepted Answer

A) during G1 of interphase 
B) during S of interphase 
C) during G2 of interphase 
D) during mitosis 
E) during cytokinesis 
A) during G1 of interphase 
B) during S of interphase 
C) during G2 of interphase 
D) during mitosis 
E) during cytokinesis

Question 10

What structures are divided during cytokinesis?

Accepted Answer

A) cytoplasm and organelles 
B) cytoplasm and chromosomes 
C) cell membrane and chromatin 
D) nucleus 
E) none of these 
A) cytoplasm and organelles 
B) cytoplasm and chromosomes 
C) cell membrane and chromatin 
D) nucleus 
E) none of these

Question 11

From a karyotype,you could tell all of the following about the cell except whether

Accepted Answer

A) a fusion of two chromosomes had occurred. 
B) a translocation had occurred between two chromosomes. 
C) one chromosome was missing. 
D) there were three copies of a chromosome present. 
E) a particular gene contained a mutation. 
A) a fusion of two chromosomes had occurred. 
B) a translocation had occurred between two chromosomes. 
C) one chromosome was missing. 
D) there were three copies of a chromosome present. 
E) a particular gene contained a mutation.

Question 12

If the secondary oocyte is not fertilized,it does not complete meiosis II.

Accepted Answer

A) True 
 B)False

Question 13

There is no mechanism to ensure the exact partitioning of the cytoplasm as there is of the DNA.

Accepted Answer

A) True 
 B)False

Question 14

If an organism has 4 pairs of chromosomes,after meiosis it 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 15

In a karyotype,the chromosomes are arranged in order from

Accepted Answer

A) largest to smallest,with the sex chromosomes at the end. 
B) smallest to largest,with the sex chromosomes at the end. 
C) largest to smallest,including the sex chromosomes. 
D) smallest to largest,including the sex chromosomes. 
E) sex chromosomes first and then smallest to the largest. 
A) largest to smallest,with the sex chromosomes at the end. 
B) smallest to largest,with the sex chromosomes at the end. 
C) largest to smallest,including the sex chromosomes. 
D) smallest to largest,including the sex chromosomes. 
E) sex chromosomes first and then smallest to the largest.

Question 16

Suppose that nondisjunction occurs during meiosis II in oogenesis,and each of the resulting 4 cells is fertilized with a normal sperm.How many cells are normal and how many have a chromosomal trisomy?

Accepted Answer

A) 1,3 
B) 2,2 
C) 3,1 
D) 2,1 
E) 1,2 
A) 1,3 
B) 2,2 
C) 3,1 
D) 2,1 
E) 1,2

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

In a karyotype it can be seen that a homologous pair of 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 19

Sexual reproduction introduces more genetic variation than does asexual reproduction.

Accepted Answer

A) True 
 B)False

Question 20

What is the structure that holds the chromatids together?

Accepted Answer

A) centromere 
B) chromatin 
C) chromosomes 
D) karyotype 
E) none of these 
A) centromere 
B) chromatin 
C) chromosomes 
D) karyotype 
E) none of these

Exam 19: Patterns of Chromosome Inheritance

Which cell could you not use to produce a karyotype?

The amount of time the cell takes for interphase is approximately 1 hour,plus or minus about 5 minutes.

In what way is spermatogenesis similar to oogenesis?

At what 2 checkpoints does the cell check for the integrity of the DNA?

List the stages of interphase and the events that occur during each of these stages.

Which of the following is not a symptom of Down syndrome?

If nondisjunction occurs during meiosis II,how many of the final 4 products will be abnormal?

Which of the following is not a stage of interphase?

When does a chromosome go from one chromatid to two sister chromatids?

What structures are divided during cytokinesis?

From a karyotype,you could tell all of the following about the cell except whether

If the secondary oocyte is not fertilized,it does not complete meiosis II.

There is no mechanism to ensure the exact partitioning of the cytoplasm as there is of the DNA.

If an organism has 4 pairs of chromosomes,after meiosis it will contain how many chromosomes?

In a karyotype,the chromosomes are arranged in order from

Suppose that nondisjunction occurs during meiosis II in oogenesis,and each of the resulting 4 cells is fertilized with a normal sperm.How many cells are normal and how many have a chromosomal trisomy?

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

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

Sexual reproduction introduces more genetic variation than does asexual reproduction.

What is the structure that holds the chromatids together?

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