The Blood Type Diet Archives Volume 5
Good question: It does and it doesn't
Posted By: Peter D'Adamo
In Response To: Doesn't the O in AO or BO bloodtype mean anything? (mlou)
Being a combination of AO or BO does have an effect on the secretion of H, the actual "O antigen." (H is a precursor to A or B)
This is dependant largely on whether the AO or BO in question is an ABH "secretor" versus a "non-secretor."
Whether or not other characteristics are also displayed is unknown.
However, it is not true that AO (or more acurately AH) secretors secrete anywhere near the amount of H as O secretors. Most of the enzyme systems responsible for the elaboration of blood type antigens (the transferases, for example) are under Mendelian (ie dominant/recessive) type control; so even though the AO or BO individual was technically only "half as much" an A or B as an AA or BB, probably greater than 95% of their enzyme activity is switched by the dominant A or B gene to the production of that respective antigen, versus H.
Messages in This Thread
mlou -- Tuesday, 21 July 1998, at 10:37 p.m.
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