 Accessory gland proteins which are male biased and shows positive selection reside entirely on autosomes.They are partially sexually antagonistic as they are not expressed in females and dominant in nature and hence under represented on X.

Interlocus sexual conflict involves numerous evolutionary concepts that are applied to a wide range of species in order to provide explanations for the interactions between sexes.The conflict between the interactions of male and females can be described as an ongoing evolutionary arms race.