Who's genes are stronger?

Karissa • Mommy of a 9 year old little man (6/9/13) , 4 year old little man (9/13/17) and a 5 months baby boy (6/13/22)💙💙 RIP My Angel 9/23/2020👼.
My hubby and I each have a son from past relationship and now are expecting our lil boy together in September! Who's genes are stronger? Lol a pic of his son and him and my son and me. 

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