ABO blood group system alleles in white individuals of the ABO gene that produce one's blood type: The same study also identified 18 rare alleles, which generally have a weaker glycosylation activity. People with weak alleles of A can sometimes express anti-A antibodies, though these are usually not clinically significant as they do not stably interact with the antigen at body temperature. Cis AB is another rare variant, in which A and B genes are transmitted together from a single parent. The distribution of the blood groups A, B, O and AB varies across the world according to the population. There are also variations
Jehovah's Witnesses and blood transfusions are now permitted by the WTS." He says the objection to blood transfusions on the basis of biblical proscriptions against eating blood is similar to the refusal of a heart transplant on the basis that a doctor warned a patient to abstain from eating meat because of his high cholesterol level. David Malyon, chairman of the English Hospital Liaison Committee in Luton, England, has claimed that Muramoto's discussion of the differences between consuming blood and alcohol is pedantic and says blood laws in the Bible are based upon the reverence for life and its association with blood, and that laws