Adog called the maltese doesn't shed. this type of dog most likely came about through hybridization genetic engineering recombinant dna cloning

The correct answer would be hybridization.

Hybridization refers to the process by which organisms of different breed, species, or varieties are selectively interbred in order to produce offspring with desired characters.

Similarly, Maltese dogs were selectively bred in order to attain characters like the small size, less shedding of hairs et cetera.

the answer is a or when it says crossing over