Mutation rates
A) can be affected by environmental factors.
B) can be synonymous or non-synonymous.
C) are equal in all species—this is why we can accurately calibrate a molecular clock.
D) are generally unimportant in evolution.
E) tend to be higher in E. coli than in Homo sapiens
Ans: A) can be affected by environmental factors.
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Fill in the blank(s) with the appropriate word(s).