OUR COUNTRY IS often referred to as a "melting pot" but that term is probably more appropriately applied to the manner in which we quickly assimilate each other’s cultures rather than our genes. Blonde hair and blue eyes, for instance, are still predominantly found in individuals of German or Scandinavian ancestry even though many of the cultural attributes of those groups (such as an appreciationof beer) are found throughout our society. How might you take intoaccount population substructuring (ethnic groups or other collections of individuals that prevent the totally random exchange of genetic material) in determining the significance of a DNA profile