Question

How can mutation in a gene lead to a new trait in an organism ?

Answer 1

The answer would be D.

The mutation would cause a(in most cases) new and different polypeptide(protein) to be made so it can cause a different trait. For example a new eye color in fruit fly with mutated dna.

Answer 2

Answer: D. The mutated gene codes for a protein that causes a new trait

Explanation:

A mutation is a change in the DNA sequence that can occur from multiple causes. For example, by errors during replication or by the action of mutagens such as UV radiation, among others. When a mutation occurs, if not repaired, it can lead to the production of a different protein. This is because genes code for amino acids, which bonded together form proteins. A change in a DNA gene base can lead to code for a different amino acid (or even adding a new one or causing another to be lost). This alteration can lead to the synthesis of another protein involved in the expression of a trait, and giving rise to a different characteristic, which can be beneficial or harmful.