Content Frame
Note for screen reader users: There is text between the form elements on this page. To be sure that you do not miss any text, use item by item navigation methods, rather than tabbing from form element to form element
[Skip Breadcrumb Navigation]

Chapter Post-Test



This activity contains 41 questions.

Question 1
1
Open Hint for Question 1 in a new window
Which of the following statements about gametes is false?
 
End of Question 1


Question 2
2
Open Hint for Question 2 in a new window
Which of the following statements about meiosis is true?
 
End of Question 2


Question 3
3
Open Hint for Question 3 in a new window
Which of the following statements concerning human oogenesis is false?
 
End of Question 3


Question 4
4
Open Hint for Question 4 in a new window
During which type(s) of cell division does a ring of contractile microfilaments form a cleavage furrow around the equator of the cell?
 
End of Question 4


Question 5
5
Open Hint for Question 5 in a new window
During which type(s) of cell division can chromosomes be composed of two chromatids, and each chromosome is lined up on the equatorial plane of the cell?
 
End of Question 5


Question 6
6
Open Hint for Question 6 in a new window
Which type(s) of cell division are immediately preceded by replication of DNA?
 
End of Question 6


Question 7
7
Open Hint for Question 7 in a new window
During which type(s) of cell division do chromosomes that were composed of two chromatids become chromosomes composed of a single chromatid?
 
End of Question 7


Question 8
8
Open Hint for Question 8 in a new window
The important process of crossing over occurs during which stage of meiosis?
 
End of Question 8


Question 9
9
Open Hint for Question 9 in a new window
If a cell has a diploid number of 10 (2n = 10), how many chromosomes will be present in each daughter cell at the end of meiosis?
 
End of Question 9


Question 10
10
Open Hint for Question 10 in a new window
The Y chromosome can be used to trace a person's lineage many generations into the past. What characteristic of the Y chromosome makes that possible?
 
End of Question 10


Question 11
11
Open Hint for Question 11 in a new window
When you examine a cell under a microscope, you see that the nucleus is not present and that the chromosomes are condensed and lined up singly in the center of the cell. In what stages of division might this cell be?
 
End of Question 11


Question 12
12
Open Hint for Question 12 in a new window
One of the critical functions of meiosis is the formation of new combinations of genetic material. This is important for producing variety in the offspring. In what two phases of meiosis does this formation of new combinations take place?
 
End of Question 12


Question 13
13
Open Hint for Question 13 in a new window
The exchange of genetic material between homologous chromosomes that leads to new combinations of genetic material during meiosis is called ________.
 
End of Question 13


Question 14
14
Open Hint for Question 14 in a new window
Which of the following processes leads to genetic diversity?
 
End of Question 14


Question 15
15
Open Hint for Question 15 in a new window
An autosome is ____________.
 
End of Question 15


Question 16
16
Open Hint for Question 16 in a new window
A couple has just had their fourth son. The father cannot understand why his wife cannot produce a daughter. Explain to the father why the problem is not with his wife.
 
End of Question 16


Question 17
17
Open Hint for Question 17 in a new window
Which of the following statements concerning human spermatogenesis is correct?
 
End of Question 17


Question 18
18
Open Hint for Question 18 in a new window
Why is it not necessary for polar bodies to form in spermatogenesis?
 
End of Question 18


Question 19
19
Open Hint for Question 19 in a new window
Which of the following is a type of sexual reproduction?
 
End of Question 19


Question 20
20
Open Hint for Question 20 in a new window
If a sperm cell contains 16 chromosomes, the original parent cell that started meiosis must have contained ____ chromosomes.
 
End of Question 20


Question 21
21
Open Hint for Question 21 in a new window
Crossing over occurs during ___________, and it is important because it ___________.
 
End of Question 21


Question 22
22
Open Hint for Question 22 in a new window
A gene that codes for the development of hairy ears is located on the Y chromosome in humans. A man with hairy ears has a son. What are the chances that the son will have hairy ears?
 
End of Question 22


Question 23
23
Open Hint for Question 23 in a new window
A certain allele for a genetic disease is located on the X chromosome. Two parents have a son. The father carries the allele for the trait on his X chromosome but the mother does not. What are the chances that the son will inherit the disease?
 
End of Question 23


Question 24
24
Open Hint for Question 24 in a new window
If a daughter cell contains 14 chromosomes at the end of meiosis I, how many chromosomes will each daughter cell contain at the end of meiosis II?
 
End of Question 24


Question 25
25
Open Hint for Question 25 in a new window
Which of these events occurs in meiosis but not in mitosis?
 
End of Question 25


Question 26
26
Open Hint for Question 26 in a new window
A mistake occurred in meiosis such that one of the gametes produced received an extra sex chromosome. Assume this gamete was fertilized by a normal gamete and the resulting embryo contained the sex chromosomes XYY. Can you determine which parent's gamete contained the extra sex chromosome?
 
End of Question 26


Question 27
27
Open Hint for Question 27 in a new window
What features are associated with mature sperm?
 
End of Question 27


Question 28
28
Open Hint for Question 28 in a new window
If a single human cell fails to undergo cytokinesis in telophase II of meiosis, how many chromosomes would be present in the resulting cell?
 
End of Question 28


Question 29
29
Open Hint for Question 29 in a new window
When you examine a cell under a microscope, you see that the nucleus is not present and the chromosomes are condensed and lined up in pairs in the center of the cell. In what stages of division might this cell be?
 
End of Question 29


Question 30
30
Open Hint for Question 30 in a new window
An example of sexual reproduction is _________.
 
End of Question 30


Question 31
31
Open Hint for Question 31 in a new window
Which of the following statements about spermatogenesis and oogenesis is not correct?
 
End of Question 31


Question 32
32
Open Hint for Question 32 in a new window
Where do all the first organelles come from in a new zygote?
 
End of Question 32


Question 33
33
Open Hint for Question 33 in a new window
Which of the following statements about the products of a single cell that has gone through meiosis is true?
 
End of Question 33


Question 34
34
Open Hint for Question 34 in a new window
A human cell fails to undergo cytokinesis while performing meiosis I so that the daughter cells do not form. How many chromosomes will be in each resulting cell?
 
End of Question 34


Question 35
35
Open Hint for Question 35 in a new window
A cell contains 16 chromosomes at the end of prophase I. How many chromosomes will be in each daughter cell at the end of prophase II?
 
End of Question 35


Question 36
36
Open Hint for Question 36 in a new window
You are looking at diagrams of cells in the process of division but are uncertain as to what process you are viewing. You determine that the cells you are looking at have three chromosomes (an odd number). You can confidently assume that these cells are in which phase based on that chromosome number?
 
End of Question 36


Question 37
37
Open Hint for Question 37 in a new window
If starting with a cell that has a haploid number of 5, during mitosis there will be _____ chromosomes at metaphase, _______ chromosomes at anaphase, and _______ chromosomes per daughter cell at telophase.
 
End of Question 37


Question 38
38
Open Hint for Question 38 in a new window
A gamete from a human female contains _______.
 
End of Question 38


Question 39
39
Open Hint for Question 39 in a new window
What is the purpose of recombination (crossing over)?
 
End of Question 39


Question 40
40
Open Hint for Question 40 in a new window
The cells at the end of meiosis I are not ready to function as gametes. Why not?
 
End of Question 40


Question 41
41
Open Hint for Question 41 in a new window
Horses have a diploid number of 64, and donkeys have a haploid number of 62. A mule is the result of fertilization between a horse gamete and a donkey gamete. The mule's chromosome number is _____________.
 
End of Question 41


Clear Answers/Start Over




Answer choices in this exercise appear in a different order each time the page is loaded.




Pearson Copyright © 1995 - 2011 Pearson Education . All rights reserved. Pearson Benjamin Cummings is an imprint of Pearson .
Legal Notice | Privacy Policy | Permissions

[Return to the Top of this Page]