When two homozygous plant lines with different characteristics are crossed, the resulting offspring are often more robust and productive than their parents. This phenomenon is called heterosis. It can ...

Excessive inbreeding can be deleterious to a population, resulting in inbreeding depression. Gene flow through metapopulations can be amplified by hybrid vigor, if the hybrid offspring of immigrants ...

When a movie star is billed as having “it” or “oomph,” what she probably has is heterosis (hybrid vigor). At least, that is what Geneticist George D. Snell says. In the current Quarterly Review of ...

I have noticed that hybrid tomato seeds are higher priced than ordinary tomatoes. Are they really worth the price? The reason hybrid seed is higher priced is because it is much more expensive to ...