Miami Mirror
MiamiMirror.com Friday 10th February 2012 Issue 066/10
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    Half-cocked? Hermaphrochickens Challenge Gender Determination
    Source: Wired News
    Thursday 11th March, 2010  


    In mammals, there are two types of sex-determining chromosomes, X and Y.

    Each cell in an embryo has a pair of chromosomes, either XX or XY, but the cells are otherwise identical.

    Then, early in develo... ...

    Read the full story at Wired News


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