Selective Breeding Definition. The main methods of selective breeding in animals are proposed below: Cross-breeding: For cross breeding to occur, two pure breeds must be obtained from different breeds, however from the same species of organism, in order to form a new breed of species. The purpose of selective breeding is to develop livestock whose desirable traits have strong heritable components and can therefore be propagated. A breeder will track the characteristics of the litter … Selective breeding uses artificial selection to direct the genetic transfer of desirable traits. Hybridization is a type of selective breeding that crosses two organisms with different genetic traits. Other articles where Selective breeding is discussed: zoology: Applied zoology: …largely as a consequence of selective breeding and improved animal nutrition. Selective breeding versus genetic engineering. Methodical selection is oriented toward a predetermined standard, whereas … Selective breeding is evolution by human selection. This way at least some of the puppies will be fast and strong. Selective breeding, also called artificial selection, isn't the same as genetic modification (GM), although­ the terms are often used interchangeably.They're both used to alter the genes of an organism (animal, plant or bacteria). A dog with long legs and is fast, would be breed with a dog that is strong and muscular. Explain how DNA molecules may be separated by gel electrophoresis. Like breeding the fast horse with the strongest horse to get the best horse you can get. Relate genetic variation and mutations to each other. Discuss how endogenous DNA replication and repair enzymes may be used in recombinant DNA applications. Genetic modification is a high-tech way to change the DNA pattern in an organism -- … As opposed to natural selection, selective breeding … This method of breeding is a good option when desiring to have … Inbreeding is a type of selective breeding that crosses two organisms with similar genetic traits. Selective breeding usually involves breeding two members of a species with the dominant allele if the desired characteristic. Heritable … Improves crop yields or crop quality, which is important in developing countries. This way is much faster than selective breeding and can introduce traits that are non-native to the organism (genetic engineering) but is not as natural. Selective breeding makes use of existing, naturally present gene variants in a species and the natural process of breeding. Taking crops for example, selective breeding could cause environmental problems in a way that they would have a different requirement for the amount of water they have to consume. As nineteenth-century British naturalist Charles Darwin noted in Variation of Animals and Plants under Domestication, selective breeding may be methodical or unconscious. Genetic modification is a faster and more efficient way of getting the same results as selective breeding. Ex. If these plants use more water, other plants around them would dry out, causing them to die and eventually taking away food … Although both selective breeding and genetic engineering change an organism’s genetic characteristics, they are different processes. Selective breeding is the process by which humans control the breeding of organisms in order to exhibit or eliminate a particular characteristic. Selective Breeding. HINT: Selective breeding is when organisms are bred for the purpose of passing on specific or favorable traits to the next generation. Selective breeding is when you pass desired traits on to the next generation of organisms. 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