@HumbleHerper @ihartcaves Dollo's law is not broken! See Niemiller et al https://t.co/O6P8uR0oEk We have the same tree as Hart et al., but look at rhodopsin degeneration that supports eyes were lost multiple times. Mapping on tree and "it re-evolved " is s

Evidence for repeated loss of selective constraint in rhodopsin of amblyopsid cavefishes (Teleostei: Amblyopsidae) http://t.co/NGsX10rc

Evolution of rhodopsin gene in amblyopsid cavefishes: http://t.co/cw7e2ryp