Mutations are the most important source of variety on which natural selection depends and operates. There are two forms of mutations,
A) both discovered by Mendel.
B) cancer-causing mutations and chromosomal rearrangement.
C) which occur only during the development of an individual.
D) called base substitution mutation and chromosomal rearrangement.
E) which always result in phenotypic change.

Question

Quizplus · Accepted Answer

The question states that there are two forms of mutations, and D accurately lists these as base substitution mutation and chromosomal rearrangement. The other answer choices are either inaccurate or incomplete.

Mutations Are the Most Important Source of Variety on Which