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 ...

It makes sense that identical twins would have the exact same DNA, right? Spoiler alert: Not always! Here's why. Identical twins (also called monozygotic or MZ twins) are conceived when a single sperm ...

A mother of twins was left "shocked" after a DNA test involving her two young sons confirmed a long-held suspicion. Charlotte Hassan, 33, admits she was a "little nervous" when she first learned she ...

When we think of identical twins, we often imagine mirror images — same face, same smile and perhaps even the same talents. But what surprises many is that these genetic carbon copies can have ...

Jeffrey Craig has received funding from the National Health and Medical Research Council. He is the Patron of the Australian Multiple Birth Organisation, and a Member of the International Society of ...

From Romulus and Remus—the myth of the twin brothers who founded the city of Rome—to the synchronized speech of Australia's "Twinnies" Paula and Brigette Powers, identical siblings have long inspired ...