How Is Gender Determined at Conception?

Discover how genetic inheritance determines your biological sex at conception—an essential process of human genetics.

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Your biological sex was determined at conception. During fertilization, the combination of the X or Y chromosome from the sperm and the X chromosome from the egg determines whether you were male (XY) or female (XX). This is a natural part of genetic inheritance.

FAQs & Answers

  1. What chromosomes determine male and female sex? Males typically have XY chromosomes, while females have XX chromosomes, which determine their biological sex.
  2. Can gender be determined after conception? Gender identification can be done during pregnancy through prenatal screenings, but biological sex is determined at conception.
  3. What role do genes play in determining sex? Genes located on the X and Y chromosomes dictate the development of male or female biological traits.
  4. Does environment influence gender identity? While biological sex is determined by chromosomes, gender identity is influenced by a complex interplay of biology, environment, and personal experiences.

Watch More

For more insights into genetics and human biology, check out our videos on how genes affect various traits and the science of heredity.

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