How Does Dad Determine the Gender of a Baby?

Discover how a father influences the gender of a baby through chromosomes in this short informative video.

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Dad determines the gender of a baby since sperm carries either an X or Y chromosome. An X chromosome (from dad) pairs with mom's X chromosome to make a girl (XX), and a Y chromosome (from dad) pairs with mom's X chromosome to make a boy (XY).

FAQs & Answers

  1. What chromosome does a father contribute for a boy? A father contributes a Y chromosome to determine the gender of a boy.
  2. How is a girl’s gender determined? A girl’s gender is determined when the father contributes an X chromosome to pair with the mother's X chromosome.
  3. Can the mother's health affect the baby's gender? The mother's health can influence fertility but does not determine the baby's gender, which is based on the father's chromosome contribution.