Comments by "Arthur Mosel" (@arthurmosel808) on "Most Inbred Countries" video.

  1. I suggest that a number of nations and groups within nations were purpisely omitted. For example, the Basque people in Spain. Several Native Merican tribes (which might explain in breedingix some states). Geography and difficulty in travel also explains inbreedingi. Some cases; again this is touched on in the video, deserts or mountainous terrain limiting travel and interaction between communities. Finally, while he specifically mentions first cousins; in other places he just mentions relatives who may be far enough removed as to present litgle risk. For example, some one marrying someone born to a couple who while related hsve no diect ties for a couple of generations. Lets say their grandfather's brother who married someone unrelated unrelated to either parent, his son married someone unrelate to ether parent and their son now marries the daughter of his grandfather's brother whose history is the same, i.e. all marriages are to unrelated people. By this point both of these off spring sould only share at most one eighth of their genes. Why at most, because just which genes are transmitted will vary between siblings, i.e. each brother while inheriting half his genes from his father may not have inherited the same genes. So two brothers sharing half of the genes from their father may not hsve inherited the same genes. The same applies to the grand daughter. So, while dangetous if it happens too often this one interaction has a far lower risk of issues, than first cousins even though they are distantly related. The risk goes up however as the population involved decreases, for example a severe neurological disorder affecting Eastern European Jews because of the ghetto system that was in effect there for generations (how much of this no longer is pertinent since that system was abandoned).
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