You have the following DNA coding sequence of a wild-type allele: 5’-ATG TTC CAG CTA GAT GAT ATG CTG GTA ATT GGG GAA CGC GCG CGG TAA-3’ 1. For the second, third, fourth, and fifth codons, write all possible anticodon sequences (left-to-right, 5’-3’), including anticodons with wobble and inosine.

Human Anatomy & Physiology (11th Edition)
11th Edition
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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You have the following DNA coding sequence of a wild-type allele:

5’-ATG TTC CAG CTA GAT GAT ATG CTG GTA ATT GGG GAA CGC GCG CGG TAA-3’

1. For the second, third, fourth, and fifth codons, write all possible anticodon sequences (left-to-right, 5’-3’), including anticodons with wobble and inosine.

2. Write the amino acid sequence of the wild-type allele (three letter or single-letter amino acid abbreviation ok).

3. For each of the following mutations:

A. State whether the mutation is missense, nonsense, frameshift, or silent. B. Write the codon change that occurs for the missense, nonsense, and silent mutations (ex. GAA  GAT).

C. For frameshift mutations, write out the entire mutant sequence with each codon clearly indicated (if the frameshift creates a new stop codon, end the sequence at the new stop).

D. Write the amino acid sequence of the mutants. Mutant 1: transition at nucleotide 23 Mutant 2: TG transversion at nucleotide 29 Mutant 3: an insertion of “A” after nucleotide 14 Mutant 4: transition at nucleotide 7 Mutant 5: An insertion of GG after nucleotide 40 Mutant 6: transition at nucleotide 15 Mutant 7: a deletion of nucleotide 25

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