Speciation: founder events and their effects on x-linked and autosomal genes

The hypothesis of speciation by drift-mediated peak shifts needs special assumptions taking into account the genetic conditions depending on the nature of genetic variation for reproductive isolation. A study analyzes the effect of random genetic drift and founder events in determining speciation showing that the speciation by founder events can occur to a greater extent with x-linked loci than equivalent autosomal genes. This accounts for the Haldane's rule.