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Gender Testing of Athletes

Summary

Learn why verifying a person's gender may be harder than you think.

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Do you think that determining an individual's gender should be straighforward? Can you think of a single test or examination that can unambiguously identify a person's gender? What happens if various tests disagree?

Try this interactive exploration that challenges you to determine whether an athlete is qualified to compete as a female. Along the way you may gain some understanding of the biology of sex and in particular how sex is determined in humans.

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