Why do monozygotic twins have different phenotypes?
A) They have different genotypes.
B) They have non-shared environments.
C) They have the same environments but different genes.
D) They have only minor phenotypic variation across a few physical traits but not differences in psychological traits.

Question

Quizplus · Accepted Answer

Monozygotic twins have the same genotype because they come from the same fertilized egg, but they can have different phenotypes because of non-shared environmental factors, such as differences in nutrition, exposure to toxins, and experiences.

Why Do Monozygotic Twins Have Different Phenotypes