Understanding Gender Determination: What Happens at Conception?

Discover how gender is determined at conception through the combination of chromosomes.

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Gender is determined at conception. The sperm cell carries either an X or Y chromosome, while the egg carries an X chromosome. The combination of these chromosomes (XX or XY) determines the genetic gender of the embryo.

FAQs & Answers

  1. When is gender determined during pregnancy? Gender is determined at conception when the sperm fertilizes the egg.
  2. What chromosomes determine gender? An XY combination determines male gender, while XX determines female gender.
  3. Can gender be influenced after conception? No, biological gender is set at conception; however, gender expression can develop differently.
  4. What role do chromosomes play in gender? Chromosomes, specifically X and Y, directly influence the genetic makeup that determines gender.

Watch More

To learn more about genetics and developmental biology, check out our videos on genetic traits, reproductive health, and the science of fertilization.

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