Quote Originally Posted by Stefan-A View Post
Not quite. Morphology deals with structures, while genetics... well, you know what that means. Structures can be similar for a variety of reasons, but there's really only one reason why there are genetic similarities: Common ancestry. Genetics show whether there's gene exchange between two populations and when there isn't any at the moment, it is possible to figure out approximately how long ago it stopped.


offtopic:
My big female wandering garter saw me typing and is now staring at my hands.
offtopic: You mean, stalking your hands.

On topic: http://www.public.iastate.edu/~fjanz.../02MolEcol.pdf