Clues to evolutionary relationships are provided by differences in DNA sequences resulting from ____.
A) insertions only
B) deletions only
C) substitutions only
D) both insertions and deletions
E) insertions, deletions, and substitutions

Question

Quizplus · Accepted Answer

Differences in DNA sequences that provide clues to evolutionary relationships can result from insertions, deletions, and substitutions. These variations can affect the genetic code and lead to differences in physical traits or functions, which, over time, can indicate how species have diverged from common ancestors.

Clues to Evolutionary Relationships Are Provided by Differences in DNA