It is not that Africans females and Neanderthals are genetically the same, just that the genetic incompatibility between the two species appears to be sex speci

It is not that Africans females and Neanderthals are genetically the same, just that the genetic incompatibility between the two species appears to be sex specific. This is pretty common when different species hybridise. Haldane's rule covers why this occurs [1]. 1. https://en.m.wikipedia.org/wiki/Haldane%27s_rule https://en.m.wikipedia.org/wiki/Haldane%27s_rule