How Is Baby Gender Determined? A Look at Chromosomes

Discover how the gender of a baby is determined by chromosomes carried by sperm during fertilization.

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The gender of a baby is determined by the sperm that fertilizes the egg. Sperm carries either an X or Y chromosome. If the X chromosome pairs with the X chromosome from the mother, the baby will be female (XX). If the Y chromosome pairs with the X chromosome from the mother, the baby will be male (XY). Therefore, it’s the father’s genetic contribution that decides the baby’s gender.

FAQs & Answers

  1. What determines whether a baby is male or female? The gender is determined by whether the sperm carries an X or Y chromosome, combining with the mother's X chromosome.
  2. Can the mother's diet influence the gender of the baby? There is no scientific evidence supporting that a mother's diet can influence the baby's gender; it is determined by chromosomes.
  3. Is there a way to influence the chances of having a boy or a girl? While some theories exist, there is no guaranteed method to influence a baby's gender; it ultimately depends on genetic factors.