How Sperm Determines Baby Gender: Understanding Chromosomes

Discover how sperm dictates gender through chromosomes. Learn how X and Y chromosomes influence baby's sex at fertilization.

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Sperm dictates gender through its chromosome. Sperm carries either an X or Y chromosome. An X chromosome results in a female (XX) when it fertilizes the egg, and a Y chromosome results in a male (XY). The sex of the baby is determined at the moment of fertilization, solely by whether the sperm that fertilizes the egg is carrying an X or a Y chromosome.

FAQs & Answers

  1. What chromosome determines male or female? The Y chromosome determines male (XY), while the X chromosome results in female (XX).
  2. How do genes influence gender? Genes located on the X and Y chromosomes determine the biological sex of the offspring during fertilization.
  3. Can sperm production affect gender ratio? External factors may influence sperm production, but the gender ratio is primarily determined by the type of sperm that fertilizes the egg.
  4. Is it possible to choose the gender of a baby? While certain methods can sway the probability of gender selection, the actual process is largely influenced by natural fertilization and chromosome pairings.

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