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).
Arizona Snowbowl is an alpine ski resort located on the San Francisco Peaks, 7 miles (11.2 kilometers) north of Flagstaff, Arizona. The base elevation of the facility sits at 9,200 feet (2,804 m) and the resort receives an average annual snowfall of 260 inches (650 centimeters). It has a 2,300-foot (700 m) drop, the largest in Arizona, and has 5 lifts servicing the mountain.