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प्रश्न
Do genetic combination of mothers play a significant role in determining the sex of a new born?
संक्षेप में उत्तर
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उत्तर
Mothers have two X chromosomes as sex chromosomes so, they produce eggs with X chromosome. All of her children (both girl and boy) receive X chromosome from their mother. So, genetic combination of mothers do not play a significant role in determining the sex of a new born.
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