biological difference and whether the concept of race has any scientific validity

Explore the question of biological difference and whether the concept of race has any scientific validity. Utilize the following resources.Explore the question of biological difference and whether the concept of race has any scientific validity. Utilize the following resources.
Resources:Race: Are We So Different? A Project of the American Anthropological Association http://www.understandingrace.org/home.htmlAmerican Anthropological Association Statement on “Race” http://www.americananthro.org/ConnectWithAAA/Content.aspx?ItemNumber=2583
Optional: Race & Genetics FAQOptional: The Status of the Race Concept in American AnthropologyOptional: in The Matrix Reader, read Essay 40: “Excerpts From Race and Ethnic Relations: American and Global Perspectives” by Martin Marger.