Science, asked by siamahmar410, 1 month ago

What is heredity? Describe how the sex of the offspring is determined in the zygote in human beings.

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Answered by Anonymous

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.At the time of fertilization, the sperm fertilizes the egg cell to form the zygote. If the sperm carrying X-chromosome fertilizes an ovum carrying an X chromosome, then the child born will be a girl. If the sperm carrying Y-chromosome fertilizes an ovum carrying X-chromosome, the child born will be a boy.

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