Some mutations, or changes in the sequence of DNA, do not have any effect on the characteristics of the organism. Why is this?(1 point)

Question

Responses

The mutated sequence still codes for the same amino acid.
The mutated sequence still codes for the same amino acid.
The protein built from this mutated sequence is deactivated by the cell.
The protein built from this mutated sequence is deactivated by the cell.
The immune system repairs the mutated sequence during development.
The immune system repairs the mutated sequence during development.
The cell recognizes mutations and ignores them when expressing the gene.

Answer 1

The correct response is:

The mutated sequence still codes for the same amino acid.

This phenomenon is often referred to as redundancy in the genetic code. There are multiple codons that can code for the same amino acid, so some mutations (particularly point mutations) may not result in any change to the protein, hence not affecting the organism's characteristics.