Based off these estimates, one would expect to find one mutation in a specific gene per one million people. Scientists have studied how good these repair enzymes are, and how often they make mistakes. ![]() So even if a mutation occurs, these enzymes swoop in and try to correct them! Usually our cells catch these mistakes and fix them.īut occasionally, some mutations get missed and eventually inherited. Remember, our bodies have “proofreading” repair machinery that fix these mutations. Over time, this genetic difference spread and became more common.īut the chance of anyone having a new random mutation that does this is pretty low. (Image: Wikimedia) New eye and hair mutationsīlue eyes actually originally came about because of mutations! Thousands of years ago, someone had a random change in the genes that affect eye color. Since poor vision is part of the diagnosis for albinism, if your friend does not have poor vision, they are not albino. People with albinism have severe vision problems, often becoming “legally blind.” Albinism is an inherited genetic condition that results in loss of melanin pigment in the eyes, hair and skin.
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