Final answer:
The technique breeders use to cross-genetically different individuals to produce organisms with multiple desirable traits is called artificial selection.
Step-by-step explanation:
The technique that breeders use to cross genetically different individuals in the hope of producing organisms with multiple desirable traits is called artificial selection. This technique involves humans selectively breeding plants or animals with specific traits to pass those traits on to future generations. Through artificial selection, breeders can create new breeds of dogs or improve the quality and quantity of milk in cows, for example.
Artificial selection is different from genetic engineering, which involves directly altering an organism's genetics through processes like genetic manipulation or introducing genes from one species into another species. Genetic engineering allows for more precise modifications at the genetic level.
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