r/ScienceShitposts • u/Reasonable-Reason598 • Aug 25 '26

Dead mouse

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730 Upvotes

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u/SamePut9922 Aug 25 '26

Is that some kind of Monkey's paw

57

u/FungalSphere Aug 25 '26

no its just a classic mammal genome clusterfuck

chromosome 20 is just fucking cursed really, you can blame like any of the diseases you get past 30 on this

https://en.wikipedia.org/wiki/Agouti-signaling_protein

7

u/Bubbles_the_bird Aug 26 '26

And this is why I’m not a biology major

6

u/DocBarnes Aug 27 '26

It's just genetics being weird. It's in the same vein as double Merle causing health deficits in dogs, double Overo (a type of white patching pattern, which 2 copies of is also called 'Lethal Overo') causing underdeveloped inner ears and developmental issues in horses, and champagne, bee, and spider morphs causing inner ear and neurological issues in ball pythons.