▲ 184 ▼ Why does incest result in birth defects? (lemmy.world) submitted 2 years ago by Delphia@lemmy.world to c/nostupidquestions@lemmy.world 67 comments fedilink hide all child comments Just to be well and truly fuckin clear. I am not now nor have I ever been nor will I ever be contemplating shagging a family member.
[–] VindictiveJudge@lemmy.world 8 points 2 years ago For example, it is the reason why there are almost no calico/tri-colour male cats, as the genes for it are in X but not Y chromosomes And the male calicos that exist actually have Klinefelter syndrome, where they wound up with an extra X chromosome, making them XXY instead of XY. permalink fedilink source parent