ANP 206 Study Guide - Midterm Guide: Melanin
Document Summary
Fst: genetic diversity statistic; a measure of how much variation there is within a given population. Fst = 0: all populations consist of individuals who share exactly the same alleles at the same frequencies. Fst = 1: all individuals in a local population are homozygous for different alleles, but different populations are homozygous for different alleles. Standard criterion for a race in the nonhuman literature: 0. 25-0. 30. Fst of human sample: 0. 156, meaning one race. Discordance: the anthropologist stephen molnar has suggested that the discordance of clines inevitably results in a multiplication of races that renders the concept itself useless. Biological profile: age, sex, stature, ancestry, trauma, and identification of a set of remains. Explain how fst reflects variation within a species. Fst = 0 means that there is variation within populations, but every population varies in exactly the same way. For example, here are blood type frequencies for 3 populations with an fst of 0:
