Do the genetic combination of mothers play a significant role in determining the sex of a newborn?
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Sex of a newborn is determined by the 23rd chromosome in the sperm which ends up fertilizing the egg. The genetic combination of mother has no role in determining the gender of a newborn.
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No,the genetic combination of mothers doesn't play a significant role because mothers have a pair of X - chromosome .All children will inherit an X chromosome from their mother regardless of whether they are boys or girls.A newborn who inherits and an X from father will be a girl and one who inherits a Y chromosome will be a boy.
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