.@primalpoly also, in much of the arabized world, father's brother's daughter (fbd) marriage is preferred:https://www.researchgate.net/publication/220133783_Parallel-Cousin_FBD_Marriage_Islamization_and_Arabization …
Rates of first-cousin marriages around the world. #consanguinity #genes #nocommentpic.twitter.com/n7kxzGOKEY
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@primalpoly ...and fbd marriage over successive generations leads to double first-cousin marriage:https://hbdchick.wordpress.com/2012/07/01/why-fbd-marriage-amounts-to-more-inbreeding-than-mbd-marriage/ … - 2 more replies
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@clairlemon units? -
% of all marriages
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Rogan effect?
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Here's a possible source (with very various references): Global prevalence of consanguinity http://www.consang.net/index.php/Global_prevalence …
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There could be a correlation with the arranged marriage rate
@primalpoly http://www.newworldencyclopedia.org/entry/Arranged_marriage … in order to prevent the legacy's spreading
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@clairlemon The royal families of Europe are probably right up thereThanks. Twitter will use this to make your timeline better. UndoUndo
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