Season 16 · Episode 12 of 25
Aired May 21, 1979
The Fight to Be Male
Mon, May 21, 1979
Streaming on PBS
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This episode of Horizon looks at the recent scientific research into how humans become male or female.
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Airs
Mon, May 21, 1979
Show
Horizon
1174 episodes
Episode
S16 · E12
in Horizon