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Nonrandom Mating and Environmental Variance

Temperature-dependent sex determination

Temperature-dependent sex determination

The sex of the American alligator (Alligator mississippiensis) is determined by the temperature at which the eggs are incubated. Eggs incubated at 30 degrees C produce females, and eggs incubated at 33 degrees C produce males.

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    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "OpenStax College, Population Genetics. October 16, 2013."
    http://cnx.org/content/m44584/latest/Figure_19_02_05.jpg OpenStax CNX CC BY 3.0.

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