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KMID : 0624620150480050241
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BMB Reports
2015 Volume.48 No. 5 p.241 ~ p.242
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Battle of the sexes over paternity
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Kim Young-Joon
Lee Kang-Min
Isaac R. Elwyn
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Abstract
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Reproductive behaviors have evolved through severe inter- sexual competition. We have recently described a behavior in post-mated female Drosophila melanogaster that controls ejaculate retention and sperm storage, and is a possible mechanism by which females who have mated with several partners can choose which sperm that is stored and used for fertilization. This behavior can also regulate exposure of the female to harmful effects of male SFP that are present in the ejaculate. Our study identified the neural pathway functioning in the female brain that regulates this behavior.
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KEYWORD
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Sperm ejection, Post copulatory sexual selection, Cryptic female choice, Diuretic hormone 44, Female reproductive behavior, Drosophila melanogaster
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