Which genetic change causes alterations in only one or a few nucleotide bases?
a. Insertions
b. Deletions
c. Point mutations
d. Amplification mutations
ANS: C
Genetic changes may occur by both mutational and epigenetic mechanisms. Mutation generally means an alteration in the DNA sequence affecting expression or function of a gene. Mutations include small-scale changes in DNA, such as point mutations, which are the alteration of one or a few nucleotide base pairs. The process involved with insertions, deletions, or amplification muta-tions is different.
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