TED Talks Daily The weird history of the "sex chromosomes" | Molly Webster
Mar 23, 2020
In this enlightening discussion, science writer Molly Webster dives into the intricacies of sex chromosomes, challenging common misconceptions. She reveals the surprising history of these genetic markers, highlighting their roles beyond mere male and female classifications. Molly discusses the implications of chromosome variations on gender identity and behavior, especially in sports. Her insights encourage a broader understanding of sex chromosomes and push for rethinking traditional definitions of gender.
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The Super Male Theory
- Researchers found XYY men in a Scottish prison and theorized an extra Y chromosome caused criminality.
- This "super male" theory led to suggestions of aborting XYY fetuses, but was debunked due to lack of evidence and oversight of extra X chromosomes.
Maria Patino's Story
- Spanish hurdler Maria Patino, who was XY female, got disqualified after a DNA scan revealed her XY chromosomes.
- This highlights the issue of assigning sex based on one specific biological factor.
The X Chromosome
- No human can survive without an X chromosome, regardless of their sex or gender identity.
- Calling X the "female chromosome" is misleading, given its essential role in everyone's development.