Question

Identify the types of point mutations depicted. Glycine (G G C) is transformed to Glycine (G G A). Glycine Glycine missense mutation nonsense mutation silent mutation Lysine (A A G) is transformed to stop codon (T A G). Lysine Stop missense mutation nonsense mutation silent mutation.

Answer 1

A single change or alteration in the nucleotide base of the genetic material of the cell is called a point mutation.  It can be a deletion, addition or inversion of a single nucleotide base.

In the following, the mutations that occurred are 1. C and 2. B.

How the mutation can be explained?

• Silent mutation occurs in a single base of the triplet codons of the bases but the alterations do not cause an observable effect and they remain as a neutral alteration. They do not affect the function of the protein. Thus, the glycine to glycine is a silent mutation.

• Non-sense mutations are caused when the single change in the nucleotide base results in the formation of the stop codon. Thus, lysine to stop codon is a nonsense mutation.

Therefore, silent and nonsense mutations are the correct options.

Learn more about point mutation here:

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Answer 2

Answer:

C.silent mutation

B.nonsense mutation