Half-Cocked? Hermaphrochickens Challenge Gender Determination

April 15, 2013
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Via Suzanne, who writes, "Shared for title". Wired on how chicken gender assignment works:

Unlike mammals, it’s not hormones that dictate a chicken’s sex. It’s a fundamental property of the cells themselves. But this only became apparent when biologists investigated several odd chickens that were half male and half female, as if a line were drawn down the center of their bodies.

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