Q. Which statement correctly describes the role of chance in evolution?
A) The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA
B) An allele that increases evolutionary fitness cannot be lost from a population by chance events.
C) None of the above
D) Evolutionary change proceeds by an accumulation of changes that occur by chance.
✔ Correct Answer: The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA
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