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Unexpected modifications in our appearance of animals, which include unusual size, scabies, poo tail or even other feature features, are the result of genetic mutations that occur at all times naturally. Mutations that people like are then tried to maintain to the greatest extent possible. Lyons explains that each animal has a defined “basic plan of the physical body structure, and when the mutation occurs, people choose those who are their particular favorite”. The development of most cat breeds continues to be accelerating only in the past 75 years, and dog breeds are already developing for hundreds of years, as verified by Elaine Ostrander, chief researcher at the Department of Cancer Comparative and Genetics Genomics at the National Institute of Health ).
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