[cenamus]

Those dog breeds differ by like a factor of 10 in size, way more than humans basically in any aspect.

But yeah, depending on how strong the selective force is... Ashkenazy Jews have an average IQ of what, around 130 points? But on the other side also suffer a lot more genetic disorders.

Interesting are also the altitude tolerance of Sherpa, body morphology of the Kenian runners and the dive endurance of a particular South east asian tribe (if I remember correctly), some organ is able to store a lot more blood than usually