artificial selection
noun [ U ] biology specialized uk/ɑː.tɪˌfɪʃ.əl sɪˈlek.ʃən/ us/ɑːr.t̬əˌfɪʃ.əl sɪˈlek.ʃən/
（对动物或植物进行的）人工选择，人为选择
the process of choosing particular animals to produce young or plants to produce new plants
The mule is a product of artificial selection. 骡子是人为选择的产物。
Compare: natural selection