0 being a mixture of breeds, often as a result of the intentional creation of a new type of animal or plant:
A mature crossbred feral hog stands 3 feet tall and can weigh more than 400 pounds.
This Piedmontese-Hereford crossbred calf displays classic double muscling because it inherited a defective myostatin gene from both of its parents.
A group of crossbred American chestnuts have been planted in a clear-cut area of the forest.
