Selective-breeding Sentence Examples
The adherence to type, the favourite conception of the transcendental morphologist, was seen to be nothing more than the expression of one of the laws of thremmatology, the persistence of hereditary transmission of ancestral characters, even when they have ceased to be significant or valuable in the struggle for existence, whilst the so-called evidences of design which was supposed to modify the limitations of types assigned to Himself by the Creator were seen to be adaptations due to the selection and intensification by selective breeding of fortuitous congenital variations, which happened to prove more useful than the many thousand other variations which did not survive in the struggle for existence.
Some of these changes he supposed to have been the result of new conditions, including abundance of food and protection from enemies, but most he attributed to the accumulated results of selective breeding.
Both changes had been brought about by careful selective breeding.
The program was inspired by Noyes ' theology of Perfectionism, Plato's Republic, agricultural selective breeding and concerns about human heredity.
The UK National scrapie Plan aims to eradicate scrapie from sheep flocks via the selective breeding of disease-resistant animals.Advertisement
Horses are now diffused by the agency of man throughout almost the whole of the inhabited parts of the globe, and the great modifications they have undergone in consequence of domestication, crossing, and selective breeding are well exemplified by comparing such extreme forms as the Shetland pony, dwarfed by uncongenial climate, the thoroughbred racer, and the London dray-horse.
The UK National Scrapie Plan aims to eradicate scrapie from sheep flocks via the selective breeding of disease-resistant animals.
Therefore, the challenge has been to either isolate a cat breed that proved to be hypoallergenic, or create one through selective breeding or other means.
The American Shorthair is believed to be related to the British Shorthair, although time and selective breeding have created a character all its own.
It's truly a tragedy to see what selective breeding for the least desirable traits can do to any type of dog, and how it has marred the reputations of a number of very fine dog breeds.Advertisement
In 1998 the miniature size was introduced through selective breeding.
To some extent these differences are rooted in divergent evolutionary pathways, but they have also been influenced by human interference through selective breeding.