Aug 3, 2026Discover if older moms are more likely to have girls and understand how baby gender is determined by chromosomes.

Jul 29, 2026Learn how females can have a Y chromosome in conditions like Androgen Insensitivity Syndrome and Swyer Syndrome, rare intersex variations explained.

Jul 29, 2026Discover how gender is determined and the chances of having a boy, explained simply with key biological facts.

Jul 12, 2026Explore what determines a boy, including biological factors like XY chromosomes and the role of gender identity.

May 12, 2026Learn about XY chromosomes and how variations like AIS or Swyer syndrome can result in female characteristics despite XY genetics.

May 7, 2026Discover why boys are not rarer at birth, with about 105 male births per 100 females worldwide.

May 5, 2026Discover how genetics can skip two generations, causing traits or disorders to reappear due to dominant and recessive gene combinations.

Jan 15, 2026Explore the concept of intersex and learn how some individuals may possess characteristics of both sexes.

Jan 8, 2026Discover the biological implications of the 44 XY chromosomal pattern and its significance in determining male traits.

Sep 30, 2025Explore how genetics influences whether individuals are boys or girls through X and Y chromosomes.

Sep 26, 2025Explore the link between chromosomes and gender identity. Discover variations affecting biological sex in our Q&A video.