🔬 Biology · Biotechnology and its Applications · NEET

The technique that amplifies tiny amounts of DNA for diagnosis is the polymerase chain:

Correct answer: A. reaction

Explanation: PCR (polymerase chain reaction) amplifies DNA for molecular diagnosis.

Concept context

GM crops, transgenic animals, gene therapy, molecular diagnostics, and bioethics. Frequent 2–3 mark questions in NEET.