Which statement about gene mutations is FALSE?
a. All mutations are transmitted to the next generation.
b. Mutations are rare but their rates can be predicted.
c. Mutations with beneficial effects will be favored by natural selection.
d. Many mutations reduce an individual's chance of surviving and reproducing.
e. Mutations with neutral effects neither help nor hurt the individual.
ANSWER: a
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A buildup of H2CO3 in the blood will lead to
a. alkalosis. b. calcium buildup. c. acidosis. d. hydroxide ion increase. e. HCO3 ? increase.
Which of the following performs a chemical digestion similar to that done by pepsin?
a. aminopeptidase b. carboxypeptidase c. trypsin d. gastrin e. lecithin
If a muscle cell of a typical organism has 32 chromosomes, how many chromosomes will be in a gamete of that same organism?
a) 64 b) 8 c) 32 d) 16
The two chromosomes in a _______________ are nearly identical in size and are very similar in their genetic composition.
Fill in the blank(s) with the appropriate word(s).