Artificial SelectionArtificial Selection is a process by which species are modified(usually by humans). It is when the most fit/most desirable traits are chosen and crossbred to create the most desirable offspring. It is also often called selective breeding.
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Dog Breeding and Artificial Selection
Dog breeding is the most common form of artificial selection. Humans choose the most desirable traits in two dogs and breed them to create offspring with specific genetic traits that were highly desired.
For example, the gray wolf, the common ancestor for all dogs, was originally wild and very vicious. Some dogs were more gentle in their nature, or perhaps protective of human children. These dogs with their specific traits were chosen to mate with similar dogs thus creating speciation of the gray wolf. Without artificial selection it is likely that dog breeds would not exist.
For example, the gray wolf, the common ancestor for all dogs, was originally wild and very vicious. Some dogs were more gentle in their nature, or perhaps protective of human children. These dogs with their specific traits were chosen to mate with similar dogs thus creating speciation of the gray wolf. Without artificial selection it is likely that dog breeds would not exist.