Prerequisites: ANTH 220 and ANTH 320 or permission of department. Also offered as ANTH623. Not open to students who have completed ANTH428X or ANTH623. Credit will be granted for only one of the following: ANTH423 or ANTH623. Formerly ANTH 428X. This course will discuss modern human origins and contemporary human variability, the nature and levels of human diversity; how natural selection modulates human differences and similarities; early studies of human variation and the concept of human biological race. The course emphasizes the genetic and non-genetic bases of human behavioral variation; the role of gender and human biodiversity; nDNA variation, ethnicity, and disease causation; morphometric and biochemical variation; and the re-conceptualization of human biodiversity.