this post was submitted on 22 Nov 2025
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[–] Dadifer@lemmy.world 36 points 16 hours ago (2 children)

The dna sequence of each sperm is actually unique, and are thus not considered part of your body according to your immune system. This is why your testes are "immune-privileged", meaning your white blood cells are not allowed in there.

[–] gandalf_der_12te@discuss.tchncs.de 2 points 5 hours ago (1 children)

This is why your testes are “immune-privileged”, meaning your white blood cells are not allowed in there.

crazy. yeah it makes sense on second thought, i guess, like there's some fuckery with the immune system of the mother not entering a child in the womb or sth. yeah it makes sense that that applies for sperm too. then, i wonder, what keeps infections at bay?

[–] Dadifer@lemmy.world 1 points 3 hours ago

I'm not sure. I'll have to look it up

[–] Diplomjodler3@lemmy.world 38 points 16 hours ago (1 children)

So not just inefficient but also insecure? Who designed this crap?

[–] Dadifer@lemmy.world 21 points 16 hours ago (1 children)

Sexual reproduction is designed for variation. You can reduce it with a large amount of inbreeding. Your family, for example.

jk

[–] Diplomjodler3@lemmy.world 20 points 14 hours ago (1 children)

My mom, my dad, my aunt and my uncle are going to beat you up! The two of them are really strong!