First slide

Genetic Code

Question

Mutation that arises due to change in a single base pair of DNA is called:

Easy

A

Chromosomal aberration as is associated with cancer cells
B

Point mutation as is associated with sickle celled anaemia
C

Genomatic mutation as is associated with hexaploid wheat.
D

Point mutation as is associated with haemophilia

Solution

Mutation that arises due to change in a single base pair of DNA is known as point mutation. A classic example of such a mutation is sickle cell anaemia. In sickle celled anaemia there is a change of single base pair in the gene for beta globin chain that results in the change of amino acid residue glutamate to valine.

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