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Answer: zygote is a diploid cell having 2n choromosomes. the sex of human is determined by 2 sets of sex chromosomes XX as in fenales or XY as in males. ... now if its another X then the zygote will be XX that is female or if the Y comes it will be XY that is male
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when a sprem containing X-chromosome fertilises the egg the zygote would have two X-chromosome and develop into a female child. If the sperm contributes a y-chromosome to the egg at fertilisation, the zygote would develop into a male child
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