Question
In testing blood,three types of antigens are looked for:A,B and Rh.Every person is classified doubly. He is Rh positive if he has the Rh antigen, and Rh negative otherwise. He is type A,AB,or B depending on which of the antigens he has, with type 0 having neither A nor B.Draw a Venn diagram, and identify each of the eight areas.
Answers
PsyDAG
Cannot draw on these posts.