Answer:
All answers are correct.
Step-by-step explanation:
Genetic engineering is the procedure that includes the use of recombinant DNA technology to make changes in the genetic makeup of an organism, generally used in plants to increase the crop yielding and improving crops.
It includes various ways to includes modifying crops to reduced cost of production by large grains so icrease yield in limited cost. Improove the quality and nutrition value. Resistance to pests so their would less depend on fertilizer.