differing kinds of mutations (represented by differently colored arrows) take place at various frequencies (represented by arrow thickness). range functions to be a sieve and makes it possible for only a subset of these https://harleyjnre411072.blogofoto.com/60975446/the-greatest-guide-to-44-of-the-world-s-population-has-at-least-the-first-of-5-gene-mutations-and-every-gene-mutation-works-against-you