What Determines Our Biological Sex: Understanding XY and XX Chromosomes

Explore how XY and XX chromosomes dictate male and female biological traits.

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Sex is typically determined by the presence of XY or XX chromosomes. Males usually have one X and one Y chromosome (XY), while females have two X chromosomes (XX). These chromosomes dictate the development of reproductive organs, distinguishing male from female at birth.

FAQs & Answers

  1. What role do chromosomes play in determining sex? Chromosomes, specifically XY and XX, are key determinants of biological sex, influencing reproductive organ development.
  2. Can gender be influenced by factors other than chromosomes? Yes, gender can also be influenced by environmental factors, hormones, and social constructs.
  3. What is the difference between sex and gender? Sex refers to biological differences, while gender encompasses the roles and identities society attributes to those differences.
  4. Are there exceptions to the XY/XX chromosome rule? Yes, variations like Turner syndrome and Klinefelter syndrome exist, showcasing that sex determination can be more complex.

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