News tagged with sex chromosome

Sex and the single chromosome

Is there value to sex? For higher organisms, absolutely. Animals, plants and fungi that reproduce only by cloning are scarce as hen's teeth, suggesting the gene shuffling of sex pays handsome dividends.

dateNov 26, 2010 in Biotechnology
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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 ...

dateApr 22, 2010 in Plants & Animals
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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 ...

dateDec 10, 2009 in Biotechnology
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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 ...

dateSep 12, 2009 in Other
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