A member asked:

I read that siblings share 50% of their genes with each other.why do some siblings look more alike than others?is it possible to share more than 50%?

A doctor has provided 1 answer
Dr. Richard Roberts answered

Specializes in Pediatrics

No: two siblings may look very much alike because they receive the same genes that have a significant effect on facial development.

Answered 9/6/2017

2.7k views

Thank

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