differing types of mutations (represented by differently coloured arrows) come about at distinctive frequencies (represented by arrow thickness). variety acts for a sieve and makes it possible for only a subset of such https://qasimfutq917559.tribunablog.com/an-unbiased-view-of-44-of-the-world-s-population-has-at-least-the-first-of-5-gene-mutations-and-every-gene-mutation-works-against-you-44128831