Identical twins have 100 percent of their genes in common, though people who know them often emphasize their personality differences. Therefore, we can say that twins have the same _______________, but environmental influences may affect each twin's _________________.
A)heritability; DNA
B)phenotype; genotype
C)characteristics; DNA
D)genotype; phenotype
E)phenotype; heritability

Question

Quizplus · Accepted Answer

Identical twins share the same genotype because they have identical genetic material. However, their phenotype, which includes observable characteristics influenced by both genes and environment, can differ due to environmental factors.

Identical Twins Have 100 Percent of Their Genes in Common