What Use is an Infertile Sperm? A Comparative Study of Sperm-Heteromorphic Drosophila

@inproceedings{Holman2008WhatUI,
  title={What Use is an Infertile Sperm? A Comparative Study of Sperm-Heteromorphic Drosophila},
  author={Luke Holman and Robert P. Freckleton and Rhonda R. Snook},
  booktitle={Evolution; international journal of organic evolution},
  year={2008}
}
Abstract Sperm size and number are important determinants of male reproductive success. The genus Drosophila exhibits a remarkable diversity of sperm production strategies, including the production of multiple sperm morphs by individual males, a phenomenon called sperm heteromorphism. Sperm-heteromorphic Drosophila species in the obscura group produce large numbers of infertile “parasperm” in addition to fertile eusperm. Parasperm have been hypothesized to perform a number of roles in place of… 

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