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In some families, either rural or urban,...

In some families, either rural or urban, females are tortured for giving birth to a female child.They do not seem to understand the scientific reason behind the birth of a boy or a girl. In fact the mother is not responsible for the sex of the child and it has been genetically proved that the sex of a newborn is determined by what the child inherits from the father.
(b) Why is the pair of sex chromosomes called a mismatched pair in males?

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