Evidence for the existence of stasis has also been corroborated from the genetics of sibling species, species which are morphologically indistinguishable, but whose proteins have diverged sufficiently to suggest they have been separated for millions of years.
Probas da existencia da estase proporcionounas tamén a xenética de especies fraternas (sibling species), especies que son morfoloxicamente indistinguibles, pero cuxas proteínas diverxiron o suficiente como para suxerir que estiveron separadas durante millóns de anos.