Q. When a mutation is limited to the substitution of one nucleotide for another, it is called
A) Translocation
B) Point mutation
C) Base inversion
D) Sugar phosphate deletion
Explanation
When heritable alterations occur in a very small segment of DNA molecule, i.e., a single nucleotide or nucleotide pair then this type of mutations are called point mutations.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.