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by at-w
1170 days ago
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> Pygmy genetics are minorly distinct. No other group is One group in all of humanity happened to have measurable differences in genes affecting height? How does that explain the many other distinct "Pygmy" groups entirely separate from those in West Africa, such as those in the Philippines, who have genetic differences in growth hormones that cause them to be shorter (https://doi.org/10.1515/JPEM.2002.15.3.269)? "Pygmy" simply refers to one of these many groups, they are genetically and geographically distinct. Pygmy groups show how absurd the claim that there are no differences in height is, but the same kind of variation has been shown within European groups on a smaller scale (consistent with the greater genetic diversity in Africa than Europe). We know that similar differences in genes that influence height exist, to a less extreme degree, across all populations. For example, males in both the Tutsi and Dinka ethnic groups average nearly 6' tall, despite living in areas where malnutrition is/was widespread and alongside other groups that are much shorter on average. I'm genuinely curious where you got the idea that there are no genetic differences affecting height between ethnic groups/countries. Researchers have identified genetic markers responsible for the majority of variation in human height among Europeans (https://www.biorxiv.org/content/10.1101/588020v1), and shown that those markers vary significantly across European groups just as they do in Africa (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3480734/). |
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https://www.nature.com/articles/d41586-021-03622-z
https://www.nature.com/articles/136736a0
https://www.imperial.ac.uk/news/193488/race-science-about-bi...
https://www.nature.com/articles/153604a0
https://www.hup.harvard.edu/catalog.php?isbn=9780674660038
https://sitn.hms.harvard.edu/flash/2017/science-genetics-res...
https://medlineplus.gov/genetics/understanding/traits/height...
https://www.jstor.org/stable/3180830
Every single variation in "genetic trends" amongst cultures is negligible and otherwise entirely attributable to environmental factors.
The source of the ideas you're asserting as fact are very dark and extremely thoroughly debunked at this point. Honestly it's kind of shameful to present these 1920s ideas as modern.
Individually yes, genetics contribute to height, but the full range of height genetics exist in every culture.