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About polygenic sex determination system in zebra fish breeding

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Another explanation may be the unguarded X hypothesis. In accordance with this hypothesis, 1 reason for why the average lifespan of males is just not as long as that of females––by 18% on average, according to the study––is that they have a Y chromosome which can't protect a person https://lesbianporngif.pics/midget/jean_louisa_kelly_nude.html

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