Chemistry (including Biochemistry)/racial determination

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Question
What experts should I ask about a question like this?  Can a white male determine if he has any black blood in him through DNA testing?  Can it be determined even if there is 1/10,000 amount of black blood?  I am sorry if I was unable to word this question correctly.

Answer
These websites will give you some information on what is done and what the results can tell you and what they can not tell.

http://www.dnaancestryproject.com/

http://www.dnatribes.com/index.html

http://www.familytreedna.com/

As to the 1 part in 10000, I think you will need to contact the experts at these companies to ask that question.

Chemistry (including Biochemistry)

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Dr. Henry Boyter, Jr.

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No homework, biochemistry, or other schoolwork! The question will be rejected. If you have not searched www.google.com, do so before posting. If you are a student, give your grade and course. Everyone, explain the purpose and context for the question.
Experience in the area
Chemistry (non-biochemistry), environmental science, occupational health and safety, environmental regulation and management, environmental engineering, and wastewater engineering. I'm the Director of Environmental, Health, and Safety and the Director of Research at the Institute of Textile Technology.

Experience

Chemistry (non-biochemistry), environmental science, occupational health and safety, environmental regulation and management, environmental engineering, and wastewater engineering. I'm the Director of Environmental, Health, and Safety and the Director of Research at the Institute of Textile Technology.

Education/Credentials
PhD, MS, BS in Chemistry

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