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A mutation at a gene locus changes a character due to change in
1. DNA replication
2. Protein synthesis pattern
3. RNA transcription pattern
4. Protein structure

Subtopic:  Mutations and Genetic Code |
Level 3: 35%-60%
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Which one of the following is a wrong statement regarding mutations?

1. Cancer cells commonly show chromosomal aberrations
2. UV and Gamma rays are mutagens
3. Change in a single base pair of DNA does not cause mutation
4. Deletion and insertion of base pairs cause frame-shift mutations
Subtopic:  Mutations and Genetic Code |
 89%
Level 1: 80%+
AIPMT - 2012
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