Satellite DNA shows a high degree of variability because
a. it is subject to frequent unequal crossing over.
b. it is noncoding so new mutations are not eliminated.
c. it has a high probability of spontaneous mutation.
d. there is positive selection for greater divergence.
e. it is a target site for some mutagens.
Ans: a
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Fill in the blank(s) with the appropriate word(s).
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