<i>The usual counterargument says that just one mutation is usually enough to create a functional prototype of a complex feature&#x2F;organ (MVP, if you please). A series of mutations is not required.</i><p>That doesn&#x27;t sound right at all. Look at the some of discussion of the &#x27;Irreducible Complexity&#x27; examples. <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Irreducible_complexity#Stated_examples" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Irreducible_complexity#Stated_...</a>