Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question
Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation1 Mark
MCQ
The ultimate source of variation is:
A
Adaptability
B
Sexual variation
C
Natural selection
✓
Mutation
✓
Answer
Correct option: D.
Mutation
Random mutations are the ultimate source of genetic variation. Mutations are likely to be rare and most mutations are neutral or deleterious, but in some instances, the new alleles can be favoured by natural selection.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.