Biology: The Dynamics of Life, California Edition

Section 3: Genetic Changes

Genetic Changes

1.
What does a dosimeter do?
A)monitor deletion chromosomal mutations
B)monitor exposure to radiation
C)monitor RNA processing
D)monitor DNA repairing
2.
Which of these is usually NOT considered a mutagen?
A)ultraviolet light
B)formaldehyde
C)low temperatures
D)nuclear radiation
3.
Which of these chromosomal mutation diagrams shows inversion mutation?
A)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078665809/181784/ch11_0_b.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"> (2.0K)</a>
B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078665809/181784/ch11_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"> (2.0K)</a>
C)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078665809/181784/ch11_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"> (3.0K)</a>
D)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078665809/181784/ch11_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"> (2.0K)</a>
4.
__________ is a change in a single base pair in DNA.
A)frameshift mutation
B)point mutation
C)gamma mutation
D)chromosomal mutation
5.
Which of these statements is NOT true?
A)An organism that has been affected by a chromosomal mutation and lives to maturity is often sterile.
B)The reason that chromosomal mutations usually do not get passed along to future generation is that an affected zygote usually dies.
C)Asbestos is not considered a chemical mutagen responsible for chromosomal mutations.
D)While chromosomal mutations occur in all living organisms, scientists see them most commonly in plants rather than animals.
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.