Biology: The Dynamics of Life, California Edition

Section 2: Meiosis

Meiosis

1.
Which of these statements is true?
A)All organisms are polyploids and have 17 chromosome sets.
B)Two chromosomes of each pair in a diploid cell are called homologous chromosomes.
C)Meiosis and mitosis are the same processes.
D)Organisms with extra chromosomes will never survive.
2.
Which of these diagrams shows metaphase I of meiosis I?
A)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078665809/181784/ch10_0_c.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>
B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078665809/181784/ch10_0_d.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>
C)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078665809/181784/ch10_0_e.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>
D)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078665809/181784/ch10_0_f.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>
3.
When a cell contains two of each kind of chromosome, it is called __________.
A)a recessive cell
B)a fertilized cell
C)a diploid cell
D)a haploid cell
4.
How many different kinds of eggs or sperm can a human being produce?
A)23
B)223
C)232
D)2+ 23 = 25
5.
In which phase of meiosis can crossing over occur?
A)metaphase I
B)telophase II
C)prophase I
D)anaphase II
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