Postcopulatory sexual selection can select for sperm allocation strategies in males [1, 2], but males should also strategically allocate nonsperm components of the ejaculate [3, 4], such as seminal fluid proteins (Sfps). Sfps can influence the extent of postcopulatory sexual selection [5-7], but little is known of the causes or consequences of quantitative variation in Sfp production and transfer. Using Drosophila melanogaster, we demonstrate that Sfps are strategically allocated to females i...Expand abstract
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Seminal fluid protein allocation and male reproductive success.
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