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 snow monkeys can be found at Jigokudani Yaen KÅen (aka Jigokudani Snow Monkey Park) in the Nagano Prefecture of Japan. Jigokudani Snow Monkey Park is located near Yamanouchi town- a three hour train ride from Tokyo or an hour train ride from Nagano (the closest big city).