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).
But at the vast majority of major ski resorts, town is either off site or does not exist at all, including Steamboat, Jackson, Stowe, Big Sky, Sugarbush, Deer Valley, Copper Mountain, the Canyons, Alta, Snowbird and almost every resort around Lake Tahoe.