genetic marker a gene having alleles that are all expressed in the phenotype, that is, they are codominant, and which can be used to study inheritance. The various blood group systems and serum or red blood cell proteins easily detected by electrophoresis or immunodiffusion are commonly used markers.
Snowshoe has several commercial areas, with the most prominent being The Village at Snowshoe, located at the summit of the mountain (rather than at its base).
The iconic Maroon Bells peaks near Aspen. Snowcat skiing with Aspen Powder Tours near Aspen, CO. The town is consistently rated one of the world's top ski areas by ski and travel publications, and ski-in, ski-out lodges are the norm.