Most new alleles probably arise from ____.
A) crossing over between homologous chromosomes
B) independent assortment of nonhomologous chromosomes
C) rearrangement of existing alleles into new combinations
D) small-scale mutations in DNA
E) large-scale changes in chromosome structure

Question

Quizplus · Accepted Answer

Most new alleles arise from small-scale mutations in DNA, which alter the genetic code in ways that can produce new traits or variations in organisms.

Most New Alleles Probably Arise from ____