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

Mutations can lead to incorporation of wrong amino acid into the polypeptide chain. This is least likely to occur when there is:
1. a change in the wobble base of the codon.
2. a mistake in amino acid attachment to the tRNA.
3. a change in the third base of the anticodon.
4. a gene mutation involving the first base of the codon.

The use of proflavin in his experiments enabled Francis Crick to determine that the genetic code is a triplet code because:
1. It causes mutations in DNA.
2. It can cause large deletions in DNA.
3. It causes single insertions or deletions in DNA sequences.
4. It can be lethal.

Which one of the following is a wrong statement regarding mutations?