Step 1: Definition of Biotechnology in Medicine.
Biotechnology in medicine involves using biological organisms, cells, and molecular biology techniques to develop products and processes for medical applications.
Step 2: Applications of Biotechnology in Medicine.
1. Gene Therapy: Involves altering or replacing defective genes to treat genetic disorders.
2. Vaccine Production: Biotechnology is used to create vaccines against diseases like hepatitis, polio, and influenza.
3. Production of Recombinant Proteins: Insulin, growth hormones, and clotting factors are produced using recombinant DNA technology.
4. Diagnostic Tools: Biotechnology has led to the development of advanced diagnostic tools like PCR (polymerase chain reaction) for detecting infectious diseases.
Step 3: Conclusion.
Biotechnology has revolutionized medicine by providing innovative solutions for the treatment, diagnosis, and prevention of diseases.
Final Answer:
\[
\boxed{\text{Biotechnology in medicine is used for gene therapy, vaccine production, and diagnostic tools.}}
\]