Apr 5 2010 Small But Mighty Lizards Control Genetic Destiny The male of this species can be two to three times the mass of the female, but the female may be able to control fertilization by selectively using the sperm from different mates. Rate this:Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Like Loading... Related