Blood Types - the Basics
edited: Tuesday, October 20, 2009
By Elizabeth Blake
Rated "G" by the Author.
Posted: Tuesday, October 20, 2009
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How blood types are determined. The ABO blood typing system, including the Rh factor.
You can read more about blood typing by reading my aricle at Ezine articles. Just click on the link below, then scroll down and click on "Blood Types - The Basics" by Elizabeth Blake.