The simple answer is “yes”. But I know you must have some questions. Start here, and when you get done with these, I’ll send some more.
http://linkinghub.elsevier.com/retrieve/pii/S016895259901776X
http://www.ncbi.nlm.nih.gov/pubmed/2688200
http://linkinghub.elsevier.com/retrieve/pii/S0944200604700215
http://www.genestocellsonline.org/cgi/content/abstract/1/1/11
http://linkinghub.elsevier.com/retrieve/pii/0959437X95800298
http://jhered.oxfordjournals.org/cgi/content/abstract/96/3/185
http://benzerserver.caltech.edu/pdf/cv112.pdf
http://linkinghub.elsevier.com/retrieve/pii/S0047248401904683
I’ll get right on it... just after I evolve some wings and a elephant trunk... You create a 747 out of nothing and then get back to me. think it through my friend
The simple answer is “no” - read the original article!
One of the links discussed blind cave fish. Did you find whether it was loss or gain of gene function that accounted for the blindness and how?