Crossbreed
WordNet
noun
(1) An organism that is the offspring of genetically dissimilar parents or stock; especially offspring produced by breeding plants or animals of different varieties or breeds or species
"A mule is a cross between a horse and a donkey"
verb
(2) Breed animals or plants using parents of different races and varieties
"Cross a horse and a donkey"
"Mendel tried crossbreeding"
"These species do not interbreed"