Human blood can contain cither no antigens, the A antigen, the B antigen, or bot

Question

Human blood can contain cither no antigens, the A antigen, the B antigen, or both the A and B antigens; denoted type O, A, B, and AB respectively. A third antigen, called the Rh antigen, in either present (denoted +) or absent (denoted -). With this system, the 8 blood types are: O -, lack type A, type B, and the Rh antigens. O +, lack type A and type B antigens but has the Rh antigen. A -, lack type B and Rh antigens but has the type A antigen. A +, lack the type B antigen but has both type A and Rh antigens. B -, lack type A and Rh antigens but has the type B antigen. B +, lack the type A antigen but has both type B and Rh antigens. AB -, lack the Rh antigen but has both type A and type B antigens. AB +, has type A, type B, and Rh antigens. 100 patients in a hospital had blood drawn and the following tests were conducted to identify each patients blood type. It was discovered that out of the 100 patients: 44 patients had the type A antigen 15 patients had the type B antigen. 82 patients had the Rh factor antigen. 4 patients had type A and type B antigens. 36 patients had type A and Rh antigens. 12 patients had type B and Rh antigens. 8 patients had none of the antigens Using the information above, how many of each of the 8 blood types listed above are there?

Explanation / Answer

Following is blood types in listed data,

A- : 44 patients ( as only type A antigen is present)

B- : 15 patients ( as only type B antigen is present)

O+ : 82 patients (as only Rh factor antigen is present)

AB- : 4 patients ( as only type A and type B antigen is present)

A+ : 36 patients ( as only type A and Rh antigens is present)

B+ : 12 patients ( as only type B and Rh antigens is present)

O- : 8 patients ( as type A , type B and Rh are not present)

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