Which of the following can restore a frameshift mutation?
a. another frameshift
b. microdeletion
c. microinsertion
d. all of the above
Answer: D
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A group of individuals of a single species that live together in the same place and time is referred to as a(n) ____
a. community b. biome c. population d. gene pool e. ecosystem
PCR can be used _____
a. to increase the number of specific DNA fragments b. in DNA fingerprinting c. to modify a human genome d. to increase the number of specific DNA fragments and in DNA fingerprinting
Sensory nerves communicate the strength of a stimulus by
a. the magnitude of the voltage change across the membrane during the action potential. b. the speed at which the action potentials are transmitted down the axon. c. the number of action potentials transmitted down the axon. d. a and b. e. a and c.
Amniotes differ from earlier vertebrates by
a. their large size. b. their three-chambered heart. c. their internal fertilization. d. the possession of a slimy skin. e. having external scales