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In our society the women are often blamed for giving birth to daughters.
Can you explain why this is not correct?

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All human beings have 23 pairs of chromosomes. Human males have 22 pairs of autosomes and contain one or two types of sex chromosome. 

They are either X or Y. On the contrary, human females have 22 pairs of autosomes and contain only the X sex chromosome. 

The sex of an individual is determined by the type of the male gamete (X or Y), which fuses with the X chromosome of the female. If the fertilizing sperm is X, then the baby will be a girl and if it is Y, then the baby will be a boy.
Hence, it is incorrect to blame a woman for the gender of the child.

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