Genotypes are present from conception, but phenotypes can be affected by the environment.

Question

Quizplus · Accepted Answer

Genotypes, which are the genetic makeup of an organism, are determined at conception when the genetic material from the sperm and egg combine. However, phenotypes, which are the observable characteristics or traits of an organism, can be influenced by both genetic factors and environmental conditions throughout an organism's life.

Genotypes Are Present from Conception, but Phenotypes Can Be Affected