All races of man have same blood groups. Why????
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Blood group differs from one individual to another. Two or more people in a race can have same blood group, but not all.
Determination of human blood group:
Human blood group is controlled by alleles. It is determined by the presence or absence of specific antigens and antibodies in the blood. There are four types of blood groups – A, B, AB and O containing either of the two antigens (A and B) and two antibodies (a and b). Given chart may express the presents and absence of antigens and antibodies more clearly.
Determination of human blood group:
Human blood group is controlled by alleles. It is determined by the presence or absence of specific antigens and antibodies in the blood. There are four types of blood groups – A, B, AB and O containing either of the two antigens (A and B) and two antibodies (a and b). Given chart may express the presents and absence of antigens and antibodies more clearly.
Anonymous:
Blood groups. Antigen. Antibody
A A. b
B. B. a
O. No antigens. Both a and b
I can't understand it..
AB. Both A and B. No antibodies
thanks a lot.......
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Answer:
Two or more people in a race can have same blood group, but not all. Determination of human blood group: Human blood group is controlled by alleles. It is determined by the presence or absence of specific antigens and antibodies in the blood.
Explanation:
At this very moment, several quarts of blood are circulating through your body at nearly 4 mph. But as you've pointed out, not everyone's blood is the same. ... You have trillions of blood cells. Each blood type refers to a specific marker on a red blood cell
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