Blood

Discussion of all aspects of biological molecules, biochemical processes and laboratory procedures in the field.

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MIA6
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Blood

Post by MIA6 » Wed Jun 20, 2007 12:21 am

1. When I learned blood type, my teacher used immune system to explain. For an example, blood type A which is antigen A, then its antibody is anti B. If it is antigen B, then its antibody is anti A. WHY? why if antigen A,then it's antibody B? I don't get it according to the immune system?
2. Genes are in DNA or DNA is in Genes?

Hope you can tell me, thanks.

david23
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Post by david23 » Wed Jun 20, 2007 2:46 am

genes are made out of DNA.

antibodies are made to attack antigen different from the hosts. Antigen A host would make antibodies to attack antigen B, because it's foreign.

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