Possible 5 Years Prison for Disturbing North Sentinel Island Tribe

jeff of pa

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Maybe, But unless they are kidnapping people and adding them, They have to Be Worse then the Amish on Inbreeding.
There almost Gotta Be a lot of Webbed Feet, Extra Toes & imbecils
with brains & Memories tinier then a Gold Fish running around :o
 

Maybe, But unless they are kidnapping people and adding them, They have to Be Worse then the Amish on Inbreeding.
There almost Gotta Be a lot of Webbed Feet, Extra Toes & imbecils
with brains & Memories tinier then a Gold Fish running around :o

Genetic defects arising from inbreeding generally only become problematical in population sizes of around fewer than 50 people.

The population of North Sentinel island is not know for sure, but most estimates put it somewhere between 50 and 200 people. The 2016 handbook by the Anthropological Survey of India provided an estimate of between 100 and 150. Some estimates speculate it could be as high as 400, which is unlikely given that resources available to them would probably not readily support more than about 250 people.

During a 2014 circumnavigation of the island, researchers estimated the height of the individuals they observed as between 1.60 - 1.65 m (5 ft 3 in - 5 ft 5 in) and the population has almost certainly developed “insular dwarfism.” That in itself is not harmful, but a natural evolutionary process commonly seen when an animal population’s range is limited to a small environment (and for that reason, it’s sometimes known as the “island effect.”)

Inbreeding results in parents who are genetically close to one another producing offspring having a higher probability of a genetic disease. However, these harmful genes are rare and also recessive. Populations that have a long history of inbreeding generally experience lower effects because the harmful gene mutations ultimately get purged.

It’s not known, but the Sentinelese may practice ‘moeity’, a tribal custom that encourages people to (or stipulates that they must) select partners for marriage or procreation who are not closely related to themselves. It’s practiced for example in small Amazonian tribes with populations in the low hundreds and in some cultures a “no closer than first cousins” rule is enforced. This is enough to keep the gene pool sufficiently well-mixed.
 

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