Sentences with phrase «breed over several generations»

And they have to breed over several generations to have predictability in results.

A purebred dog is one that has been bred over several generations from parents belonging to the same breed — this is also referred to as «true» breeding because the puppies all exhibit similar characteristics and temperaments to the parent dogs.

Not exact matches

Belyaev observed that as these wild foxes were selectively bred for tameness over several generations, other characteristics changed profoundly too.

Hence, in order to achieve the desired result, these pooches are bred over multiple generations of crosses (that is how the current Bulldog came about — through several hundred generations of cross-breeding).

Unlike dogs and cats who have been selectively bred and domesticated over several millennia, parrots have only been bred domestically for a few generations and therefore they are not that different (physically or psychologically) from their wild counterparts.