What is the ultimate source of genetic variation within a population?
A) Mutations in DNA
B) Adaptation of a species to environmental changes
C) A sensory system that can detect an environmental change
D) Homeostatic mechanisms that compensate for environmental changes
E) A system of locomotion that allows an organism to escape environmental changes

Question

Quizplus · Accepted Answer

Mutations in DNA are the ultimate source of genetic variation within a population because they introduce new alleles into the gene pool.

What Is the Ultimate Source of Genetic Variation Within a Population