Question

Identify the type of mutation shown in the diagram, with respect to chromosome 20.

Answer 1

Here are the choices: 
(a) deletion(b) inversion (c) duplication(d) insertion 
Answer: (d) insertion 
This mutation occurs when (an) additional nucleotide base pair/s attach themselves into an existing DNA strand. This can possibly result to diseases such as cystic fibrosis and myotonic dystrophy.