• Question: How likely is a DNA mutation?

    Asked by james2xmas18 to Tomas, Paul, Laura, David, Bobby on 11 Jan 2019.
    • Photo: David Howard

      David Howard answered on 11 Jan 2019:


      The mutation rate changes across the genome. It is higher at the ends of the chromosomes compared to the middles. The current estimate for the mutation rate is about 1 in 90 million per single piece of DNA. As we have around 3 billions bits of DNA in our genomes we are all almost certainly carrying some mutations.

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