How is a Baby's Gender Determined at Conception?

Discover how the gender of a baby is determined by sex chromosomes during conception.

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The gender of a baby is determined at conception and depends on the combination of sex chromosomes from the parents. The mother's egg always contributes an X chromosome, while the father's sperm contributes either an X or Y chromosome. XX results in a female, and XY results in a male.

FAQs & Answers

  1. What chromosomes determine a baby's gender? A baby's gender is determined by the combination of sex chromosomes: XX for female and XY for male.
  2. Can parents choose the gender of their baby? While natural conception is random, some methods like gender selection via IVF can help in choosing the baby's gender.
  3. Does the mother's age affect the gender of the baby? There is no scientific evidence that a mother's age influences the gender of a baby.
  4. What is the role of sperm in determining gender? The father's sperm determines the gender by contributing either an X (for a girl) or a Y (for a boy) chromosome.

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For more insights on pregnancy and parenting, check out our related videos on prenatal care and the science of conception.

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