With the exception of identical twins, siblings who have the same two biological parents are likely to look similar, but not identical, to each other because they have
A) identical chromosomes but different genes.
B) identical genes but different chromosomes.
C) the same combination of traits but different genes.
D) a similar but not identical combination of genes.

Question

Quizplus · Accepted Answer

Siblings who have the same two biological parents inherit a similar but not identical combination of genes. While they may inherit some of the same genes from each parent, they will also inherit different variations of those genes, called alleles. This leads to variations in physical traits such as height, eye color, and hair type. Therefore, siblings are likely to look similar but not identical to each other.

With the Exception of Identical Twins, Siblings Who Have the Same