Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are the same sex and share the same genes. Sometimes called paternal twins, identical twins ...

ROCHESTER, MI — Kelly and Kimberly Standard have been living together for 36 years. “It’s a true blessing to have her around me,” said Kelly Standard, motioning to her twin sister sitting beside her. ...

Real talk: Plenty of devoted, detail-obsessed parents mix up their own twins sometimes. It's hard to avoid when there are two cute babies in matching onesies rolling around on the same play mat. But ...