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Genetics Of Sex

Only Available in Archive Formats.
Genetics Of Sex

Genetics Of Sex

Genetics Of Sex

Only Available in Archive Formats.

NPR's Joe Palca looks at new research showing that more than two chromosomes are needed to determine gender. Until now, scientists thought sex was determined by two X chromosomes in women and an X and a Y chromosome in men. But there is growing evidence that SEVERAL genes play a crucial role in the development of sex organs and other characteristics that distinguish the sexes.