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Understanding the ABO Blood Group System

10 Questions

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Understanding the ABO Blood Group System

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Questions and Answers

Which blood group phenotype results from the genotype A/B?

B phenotype

AB phenotype (correct)

A phenotype

O phenotype

Which gene produces the B antigen in the ABO blood group system?

B allele (correct)

O allele

A allele

AB allele

Inheritance of which allele results in no antigens (silence gene) and is recessive to A and B?

O allele (correct)

B allele

A allele

AB allele

How many main phenotypes are there in the ABO blood group system?

4 Signup and view all the answers

Where is the ABO gene located?

$9^{th}$ chromosome Signup and view all the answers

Which of the following is the correct description of the ABO blood group system?

It consists of two antigens, A and B, and has 3 alleles: A, B, and O Signup and view all the answers

What is the clinical importance of the ABO blood group system?

It is the most important system in transfusion medicine Signup and view all the answers

Which phenotype results from the genotype O/O in the ABO blood group system?

O Signup and view all the answers

How many blood group systems genes have been identified as of 2021 according to ISBT?

43 Signup and view all the answers

Who described the ABO blood group system in 1901?

Karl Landsteiner Signup and view all the answers