[–] [deleted] • 0 pt I mean a monozygotic twin can have a condition and the other not have it. Doesn't happen often but it happens. I mean a monozygotic twin can have a condition and the other not have it. Doesn't happen often but it happens. parent link
!["Genetic" [1600x691 - 104KB]](https://pic8.co/sh/f7YG1J.jpg){kind=link}
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