what is the role of father in sex determination
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In the XY sex-determination system, the female-provided ovum contributes an X chromosome and the male-provided sperm contributes either an X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively. Hormone levels in the male parent affect the sex ratio of sperm in humans.
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Father's sperm participate in the sex determination. Sperm contain both x an y chromosome, when x chromosome fuse with ovum from mother then it form girl baby but when it fuse with y chromosome of father then form boy baby.
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