Answer: hybridizing

AnswerCrossword Clue
hybridizingHYBRIDIZE, to create a hybrid
hybridizingForm a double-stranded nucleic acid structure from a single-stranded mixture by complementary base pairing
hybridizing(of an animal or plant) Breed with an individual of another species or variety
hybridizingCrossbreed (individuals of two different species or varieties)