This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Microbiology Pa-2 and Pa-3 (Sterilization and Bacterial Genetics), Subject name: Microbiology
Which of the following statements is false regarding transposons? 
Select and explain. 
A. They are also known as "jumping genes", B. It was first discovered by Barbara McClintock, C. Long transposons are known as inseion sequences, D. The ends of transposons carry "inveed repeat" sequences
C: Long transposons are known as inseion sequences
Answer: C: Long transposons are known as inseion sequences 
Explanation: Transposon - Jumping gene - between chromosome & extra chromosomal DNA. Discovered by Barabara McClintock. Hair pin like - Centre +ve and inveed repeats on both ends. Carry drug resistance genes Not replicative DNA homology not required for transfer. Relatively sho transposons (0.75-2.0 kbp long) known as inseion elements