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BigBadWlf
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And Blockland and Geffen and Bailey and Pillard and Blum and Byne and Parsons and Bearman and Bruckner and Bailey and Dunne and Martin And many many others doing independent twin studies and all coming to the same conclusionsLeVay, if I'm not mistaken.
You might want to familiarize yourself with the study of genetics and how genes workIf it was inborn, there would be a direct correlation and the study could be repeated with the same results.
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