Artificial selection
Artificial selection or selective breeding is the process by which humans identify desirable traits in organisms and breed to develop desirable phenotypic traits in their progeny.
Natural selection
Natural selection is a process in which nature selects certain organisms with better traits which are fit for survival and reproduction and allowed to leave more progeny. It gradually leads to evolution.
Artificial selection affects the process of natural selection
Yes, artificial selection affects the process of natural selection. Artificial selection depends on selections and improvement of the traits to increase the yield according to human preference. This interferes with the natural selection of traits.
For example, the domestication of animals along with absence of natural enemies (because they are protected by humans) leads the animals to lose their natural aggressiveness required to survive in their natural environment.