Biotechnology is the study and development of genetically modified organisms and their use for productive purposes.

That is, technology based on biology, being used mainly in agriculture, food science and medicine. The following are some topics on subjects in this area.

Gene Therapy
Reproductive cloning
Therapeutic cloning
Stem cells
Transgenics: bad guys or good guys?

Techniques used for gene manipulation
Restriction Enzymes
The multiplication of DNA fragments - PCR
Recombinant DNA Technology