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The top documents tagged [secondary sex ratio]
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secondary sex ratio
Sex Ratio in Humans :
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Nata Kazakhashvili, MD PHD Ivane Javakhishvili Tbilisi State University Maternal and Child Health 2000-2009, Georgia.
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Sex Ratio in Humans: In the early 1900’s Thomas Hunt Morgan began breeding a type of fruit fly called Drosophila melanogaster.
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