A) Gene therapy is a genetic engineering technique used to treat disease at molecular level by replacing defective genes with normal genes
B) Calcitonin is a medically useful recombinant product in the treatment of infertility
C) Bt toxin is biodegradable insecticide obtained from bacillus
D) Trichoderma sp. Is a biocontrol agent for fungal diseases of plants
Explanation
Calcitonin is a hormone secreted from parafollicular cell of thyroid gland. It is chorionic gonadotrohin hormone which is medically useful recombinant product in the treatment of infertility.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.