A tip on how the Japanese managed to avoid inbreeding over the years at @hbdchick's http://hbdchick.wordpress.com/2012/06/05/historic-mating-patterns-in-japan/#comment-40370 …
Replying to @JayMan471
@JayMan471 during the tokugawa period (1600-1868) the law req and adopting family to first look for a successor in the family... (1/2)
8:46 PM - 6 Feb 2014
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