how does the foetus have charactestics of both male and female
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Answer:by DNA replication. while fission of male and female gametes both cell including their DNA fuse up and both cell characters come in the foetus
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Your baby's genes determine the sex
Your baby's sex is determined at conception by his or her genes. Embryos with XY chromosomes become boys, and those with XX chromosomes become girls. There are 70 different genes located on the sex chromosomes that define a baby's sex.
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