Why are some hybrids viable and others not? It is known that this depends on the father species and the mother species. New research in two related frog species shows the influence of mother and father species: one hybrid is viable, the other hybrid dies in early stages of development.
Frogs reveal mechanism that determines viability of hybrids
Frogs reveal mechanism that determines viability of hybrids
pest-news
{$excerpt:n}
Source: Original Post Link pest-news