Mutations can be categorized based on the kind of effect they have on an organism. Blue eyes in humans are a result of a mutation in the OCA2 gene, which controls the production of pigment melanin in the iris.
This mutation is an example of a neutral mutation. Such mutations have no effect on an organism’s survival.
This mutation is an example of a neutral mutation.
Changes in the DNA sequence that are neither advantageous nor harmful to an organism's capacity to survive and reproduce are known as neutral mutations.
The ability to create enough melanin to tint eyes brown was shut off due to a hereditary abnormality affecting one gene, resulting in blue eyes. A perfectly linked neutral mutation in a regulatory region within the HERC2 gene that inhibits OCA2 expression may be the origin of blue eye color in humans.
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