Duplication in the gene encoding a protein involved in vision has enabled humans to acquire trichromatic vision, which is the ability to distinguish between red, green, and blue colors. Which type of mutation is this?

Mutations are permanent transmissible changes that occur in an individual’s genetic code. Some of these changes can cause destructive conditions such as sickle cell disease or Down syndrome, while many may not be harmful, and even irrelevant. Sometimes, a mutation that will provide an individual with a benefit may take place. This type of mutation is said to be beneficial. An example is the trichomatic vision of humans which gives humans the ability to perceive, and distinguish between red, green, and blue colors.

shivjimishraVT shivjimishraVT · Answer 2 · 2022-07-02T05:17:45+02:00

The type of mutation which is responsible for acquiring trichromatic vision is known as beneficial mutation.

What is Mutation?

A mutation may be defined as the sudden, stable, and inheritable changes in the genomic sequence of an organism.

Mutation can be harmful or destructive such as cystic fibrosis, sickle cell anemia, down syndrome, etc. Apart from this, the mutation also causes some beneficial genes to alter their sequence and hence known as Beneficial mutations.

Other examples of beneficial mutations are lactose tolerance, HIV resistance, and trichromatic vision.

Thus, it is well described above.

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