According to "evo-devo" thinking, an organism's body form can be substantially changed
A) only through multiple mutations that produce a large number of new proteins.
B) through mutations that change sexually selected traits.
C) only when changes in the environment directly alter the major protein-coding genes in the organism's genome.
D) through mutations or changes in the expression of one or a few genes that regulate development.

Question

Quizplus · Accepted Answer

"evo-devo" thinking emphasizes the role of changes in developmental genes in shaping an organism's form. This can occur through mutations that alter the sequence or expression of a small number of genes involved in development, leading to significant changes in an organism's body plan.

According to "Evo-Devo" Thinking, an Organism's Body Form Can Be