A point mutation involves a single base pair substitution.A point mutation does not result from the addition or loss of bases,or from translocation of a chromosomal segment,but rather from a substitution.The inclusion of the abnormal amino acid in the sequence of the protein as a result of a point mutation may or may not be of clinical significance.

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A Point Mutation

Question 10

Multiple Choice

A point mutation

A) results from the addition or loss of one or more bases.
B) is because of the translocation of a chromosomal segment.
C) always produces significant dysfunction.
D) involves the substitution of a single base pair.

Correct Answer: