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What significant feature differentiates Semenya's biological sex?

  • 5α-Reductase 2 deficiency

  • Color Blindness

  • Hemophilia

  • Heterochromia

Answer

Caster Semenya's biological sex is differentiated by a condition called 5α-Reductase 2 deficiency. This condition results in the body not producing enough of an enzyme that converts testosterone into dihydrotestosterone, a hormone that is important for male sexual development. As a result, Semenya was born with external female genitalia but has internal testes and high levels of testosterone.
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