Achondroplasia is a disease related with the defect in the formation of Cartilage. Membrane. Mucosa. None of the above.

Achondroplasia is a disorder inherited as dominant characteristic in which bones of arms and legs fail to grow to normal size due to defect in both cartilage and bone. It results in a type of dwarfism characterised by short limbs, a normal sized head and body and normal intelligence. Hence the correct option is B.