How can we still tell some identical twins apart if they have the same genes and are supposed to look exactly the same?

Question

My uncles are identical twins and I can easily distinguish them, even in baby pictures. How can this variation exist?

In: 0

Answer 1

Genes are only one component of what makes you look the way you do. Other factors like your environment, diet and lifestyle choices impact your appearance. So, while your genes play a large part, they aren’t the whole story.