This is a technology that involves the manipulation of the genotype of an organism to get the desired trait.
It also involves the transfer of gene coding for the desired trait from one organism to another.
Application of Genetic Engineering
Making of hormones e.g. Human insulin and human growth hormone.
Enzymes e.g. Alph-Anti-Trypsin (AAT) used to treat emphysema. (c) Proteins.
Drugs and vaccines.