Identical twins have ________ of their genes in common.

A) 25 percent
B) 50 percent
C) 75 percent
D) 100 percent

Identical Twins

Twins resulting from the splitting of a single fertilized egg, sharing the same genetic material and thus being genetically identical.

Genes

Units of heredity made up of DNA that act as instructions to make molecules called proteins, affecting how organisms inherit traits from their parents.