The X Factor

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photoThe human X chromosome, which women have two of and men only one, got its name because of all the puzzles it presented. But now, all those arguments about women and men could jump to a new level. A new article published last week in the journal Nature announced the sequencing of the X chromosome, and new insights into how it operates in women.

New research reveals that the X chromosome may be responsible not only for determining the female gender but also for the evolution of some of the most human of human traits: language, intelligence and culture.

Hear a discussion about the latest scientific discoveries into the genetical differences of the sexes.


Ericka Check, Washington biomedical correspondent, Nature Magazine and author of the article in last week's issue of Nature headlined "The X Factor"

David Page, interim director, Whitehead Institute for Biomedical Research

Nora Newcombe, professor of psychology, Temple University.


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