• Tlaloc_Temporal@lemmy.ca
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    11 days ago

    I think most if not all tetrapods should have the 1-2-3-4-5 hierarchy for their arms and legs (although the later branches often fuse together).

    I just checked, and mice have the 1-2 pattern for front and hind limbs. It’s just the arms that are weird, but this mouse’s arms have always been weird.

    Edit: I just saw the legs again, those are definitely screwed up too.