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).
Aspen [1] is a ski resort in the state of Colorado in the Rocky Mountains region of the United States of America. Its little sister is Snowmass Village, which is about 10 miles from downtown Aspen.