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Textbooks can be wild. My A&P textbook had a graphic showing the difference between Caucasian, Asian, and SSAfrican skulls. I was like: what the eugenics?
Pardon my ignorance, but aren't the skulls often shaped a bit differently? If the textbook was just showing that and not saying something about one shape making a certain race superior, is that still a problem?
Different races will often have little differences right? My favorite example is the gene variant ABCC11 that is extremely common in South Korea. It limits the production of odorous sweat by reducing the activity of apocrine glands. I think it also affects whether ear wax is wet or dry. I'm kind of jealous of that one and am waiting for CRISPR to be available for it. Well maybe not, but I'd at least think about it.
I did not know that. I'm part Korean and my friend keeps telling me I always smell fine even when I'm camping for days. Always thought it was a myth though. Kinda cool
So lucky!
I do believe there are differences in different race of people, isn't there a small part in Africa where the population are best suited for running? However, there shouldn't be much difference in skulls by itself. All infants are borned with malleble skull until age of two or so.
I remember reading an article years ago about a village that put out an absurd amount of Olympic long distance runners. The article noted that the village was on a high plateau and far from other places. The extreme difference in height led to better lung capacity and the normalcy of having to travel by foot long distances just raised a bunch of people who conditioned their bodies from birth to be adept at long distance running. None of it resulted in any major changes in population physiology as it's just training your body to deal with environmental conditions after birth and doesn't cause the mutations in the genome that would mark evolutionary changes.
I mean, obviously there are some physical differences between races. They look different, some have more prevalence of certain diseases or conditions, but races are entirely a social construct. Scaled out, the differences in races aren't more severe than the differences in variability in smaller groups within a race, or even a family. It's like, yeah, uncle Steve's side of the family all have kinda pointy ears because he passed that on to his kids but his brother didn't pass that gene on but they're still family. Zoom out and view all humans not as different races but one giant group and uncle Steve's branch all just have darker skin or straighter hair, but they're still clearly part of the human family.
We learned it in forensics and reconstructive cosmetology. The shape of the skull can often be used to determine race. I loathed having to list out the scientific names, because they're not words you say nowadays.
In the American TV show BONES this was literally done every episode. It wasn't a race thing really it was presented in a respectfully "scientific" manner.