How is sex determined in humans??
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In humans, biological sex is determined by five factors present at birth: the presence or absence of a Y chromosome, the type of gonads, the sex hormones, the internal genitalia (such as the uterus in females), and the external genitalia.
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Sex of humans are determined in following ways...
- if sperm carrying X chromosome fertilises with ova carrying X chromosomes the offspring would be girl.
- And if Y sperm fertilises with X ova, the offspring would be male.
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