News tagged with sex chromosome

Rainfall linked to skewed sex ratios

An increased proportion of male African buffalo are born during the rainy season. Researchers writing in the open access journal BMC Evolutionary Biology collected data from over 200 calves and 3000 foetuses, finding that r ...

Apr 22, 2010
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Ovaries must suppress their inner male

For an ovary to remain an ovary, the female organ has to continuously suppress its inner capacity to become male. That's the conclusion of a study in the December 11th issue of the journal Cell revealing that t ...

Dec 10, 2009
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When someone is raised female and the genes say XY

(AP) -- It's the birth defect people don't talk about. A baby is born not completely male or female. The old term was hermaphrodite, then intersex. Now it's called "disorders of sexual development." Sometimes the person ...

Sep 12, 2009
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Platypus link to ovarian cancer

(PhysOrg.com) -- Researchers from the Royal Adelaide Hospital and University of Adelaide believe our oldest mammalian relative may help us to better understand ovarian cancer.

Jun 26, 2009
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