How alike are the kids of identical twins?

If identical twins have children with identical twins, how related are all the children?
29 June 2020
Presented by Eva Higginbotham
Production by Eva Higginbotham.


Baby with blanket


Sam got in touch to ask: 

"If identical twin brothers marry identical twin sisters, and each of those couples has a child, will those two children be like twins?"

Eva Higginbotham put the question to Tessa Bertozzi - a geneticist at the University of Cambridge.


Add a comment