Interbreed

Clark Lamont will tap out the winners of the Overall Sheep Pairs Interbreed.

He says this poses a risk to the critically endangered marmots on the Island because they could bring disease or interbreed.

Commercial cattle (judge S Hunter, Insch) – Champion and reserve interbreed beef: Michael and Mark Robertson, Fodderletter, with Vanessa, a 15-month-old home-bred heifer by Homebyres Nistleroy out of a British Blue cross cow.

Although zebra species may have overlapping ranges, they do not interbreed.

However, this should not be extrapolated to claims that one ocean's sub-genera possibly could have floated to interbreed with the other.

In the longer term, evolution produces new species through splitting ancestral populations of organisms into new groups that cannot or will not interbreed.

In this case, closely related species may regularly interbreed, but hybrids will be selected against and the species will remain distinct.

The domestic chicken is descended primarily from the red junglefowl (Gallus gallus) and is scientifically classified as the same species. citation As such it can and does freely interbreed with populations of red jungle fowl.

The Pinot of the French aristocracy grew in close proximity to the Gouais blanc, giving both grapes ample opportunity to interbreed.

The study deduced from genetic drift in nuclear and mitochondrial DNA (mtDNA) that giraffes from these populations are reproductively isolated and rarely interbreed, though no natural obstacles block their mutual access.

This is not the case; individuals of each morph interbreed and produce fertile offspring with individuals of all other morphs; hence there is only one peppered moth species.

Unsuccessful attempts were made to mate a leopon with a tigress. citation Although lions and leopards may come into contact in sub-Saharan Africa, they are generally not known to interbreed naturally.