14. What is point mutation? Give one example.
Point mutation- When a mutation occurs in a single base pair of DNA, it is termed as a point mutation.e.g. Sickle cell anaemia.
Supreme Court to hear plea against CBSE evaluation policy for Gulf Class 12 students on July 14
'Award grace marks': CBSE's July 28 supplementary exam sparks student outrage over college admissions
CBSE Class 12 supplementary exam 2026 on July 28; LOC submission starts
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