A mutation causing an addition or a deletion of one base pair resulted in the pr

Question

A mutation causing an addition or a deletion of one base pair resulted in the production of a nonfunctional mutant protein. The sequences of the normal and mutant proteins are given below.

Normal: Met - Leu - Ala - Thr - Gln

Mutant: Met - Leu - Ala - His - Pro - Ile - Glu - Ser - Thr -

Was this causing by an insertion or deletion?

Fill in the codons in the coding sequence of the mRNA that is translated into the mutant protein:

NH2 - Met - Leu - Ala - His - Pro - Ile

5' - AUG - UUG - ___ - ___ - ___ - ___

Explanation / Answer

- The mutations must of insertion mutations because there is presence of additional amino acid which were not present in the normal protien but present in the mutant protein.

NH2 - Met - Leu - Ala - His - Pro - Ile

5' - AUG- UUG - GCG - CAC - CCG - AUA

Hopefully it helps thanks.

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