A couple shall have male child or female child totally depend upon husband prove truthfulness of this statement with scientific reasons
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Human have two types of sex chromosome X and Y
In female it is XX and in male it is YY
During zygote formation if X chromosome comes from male then the child will be a girl and if Y chromosome comes from male then the child will be a boy
In female it is XX and in male it is YY
During zygote formation if X chromosome comes from male then the child will be a girl and if Y chromosome comes from male then the child will be a boy
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