Born as fraternal twins, my sons may actually be identical. At 23, they don't want to know — and I've learned to accept the ...

These mice were genetically identical, so any differences in methylation had to come from epigenetic factors. Global DNA study identifies 175,000+ variants affecting human diversity and disease risk ...

When you hear twins, it is common to imagine two babies who appear the same. However, not all twins share similar physical features. Indeed, some look exactly alike, but others may have different ...

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 ...

These identical twins had people confused. In 2015, Amy and Becky Glass were 47-year-olds completely addicted to being identical twins. They even ate identical meals and slept in the same room. In ...

Are we destined to be smart? Twin studies reveal strong genetic roots for IQ, yet up to a third of intelligence is shaped by environment, context, and choice.

Wilson Lutah, Angeline Mathias, Sharon Mitekwa, Mevies Imbaya, Melon Lutenyo, Rosemary Khaveleli and Richard Olukhakha when Lancet Kenya released DNA results of the twins yesterday. [Wilberforce ...