You are pushing a stroller that has two babies in it. One boy, dressed in blue, and one girl, dressed in pink. Someone stops you tells you how beautiful your baby boy and girl are. Then they ask if they are "identical twins." You tell them they are not, but what are you thinking?
◦ It is impossible to have identical twins of different sexes.
◦ They could be identical; that was a great question.
◦ Fraternal twins are usually both girls.
◦ Fraternal twins are usually both boys.