out-cross

out-cross

the mating of unrelated or only distantly related animals. Opposite to inbreeding or closebreeding.
References in periodicals archive ?
His pedigree is an out-cross for a lot of Northern Dancer and it's a sound pedigree, although not flashy.
There is clear scientific evidence showing the risk of GM crops, ranging from their inherent unpredictability to how they will out-cross with wild relatives.