Eli5: Could two people repopulate the earth on their own?

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Just having an argument with a friend

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Anonymous 0 Comments

ITT: People that don’t really understand genetics or conservation breeding in animals.

Inbreeding can have bad effects but that is not going to be the case with every pairing. Inbreeding can amplify certain traits, good traits or bad traits. Obviously the worst aspect of inbreeding comes when you amplify the bad traits. And that’s what people focus on.

Also, even with a close gene pool, you can attempt to rebuild genetic diversity by isolating certain groups so their genetic makeup drifts from other groups then transferring individuals from one group to another to increase genetic diversity.

This is a good write up of how to do that. People often due it to preserve breeds of livestock or endangered species.

http://www.critterhaven.biz/info/downloads/conbreed.pdf

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