Selective Breeding Papers

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Selective breeding is the process in which humans have been manipulating genetic transfer of organisms with desirable traits in an attempt to breed an offspring with similar desirable characteristics or with improved traits. Selective breeding involves selecting and breeding certain organisms based on their phenotypic traits so that the desired traits are passed on to the next generations and the alleles from them increase in frequency in the gene pool. The males and females that have the same desirable traits are bred together; the offspring with the desirable traits are bred together which is known as in breeding and test crossing in order to produce pure breeders, as they have the homozygous genotypes. In doing so a new breed is produced, consisting of organisms that have identifiable characteristics, making them genetically and phenotypically different from the original parent population. The test cross is more specifically used in order to determine homozygous from heterozygous which are non-pure breeders. Selective breeding is one form of biotechnology important in agriculture and medicine, because when scientists use the genetic makeup of an organism, they combine it with biotechnology so that the process much more specific and doesn’t waste time and the lives of those organisms. Selective breeding is carried out by both commercial and hobby breeders. Breeding must be carried out within the same species, if it is carried out with two different species then they can’t breed together. Animals that are bred are known as breeds, whereas plants which are bred are known as varieties or cultivars. The outcome of cross breeding animals and crossbreeding plants are called hybrids. There are two types of selective breeding which i... ... middle of paper ... ...l cloning has been happening for many years. Many problems, such as finding cures for diseases, having less desirable qualities of livestock, scarcity of food like meat, dairy and milk, and shortage of human or animal organ donors, can worsen as the world becomes more populated and faults are discovered every day. It will help in our quality of life and allow us to live longer lives. It will help get rid of birth defects in babies because we will understand genetics better with cloning. With animal cloning, we can clone animals for food to end world hunger. Cloning has been developed as a potential technology to produce high quality plants and animals. If the clone comes from a breed that is free from certain diseases, the disease may be eliminated from the breed. Also, the best breeds and the highest quality meat and other products could be produced consistently.

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  • Cloneing

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