Sperm dumping as a defense against meiotic drive
1 Ecology and Conservation, School of Biosciences, Cornwall Campus, Penryn, Cornwall, TR10 9EZ, UK
2 Graduate School of Environmental Science, Okayama University, Okayama 700-8530, Japan
Journal of Biology 2009, 8:6 doi:10.1186/jbiol109Published: 20 January 2009
Sperm from Drosophila simulans that carry a sex-ratio distorter is preferentially lost from females' sperm-storage organs. This suggests that sperm dumping is a major factor affecting sperm competition in this species, and may have evolved in response to sex-ratio distorters.