A 40 year old female patient complains of excessive bleeding. Patient gives a history of road traffic accident 5 hours ago and had a lacerated wound on lower back region. Blood grouping test reveals presence of antigen A and antigen B. This system for blood grouping consists of 3 major allelic genes which are located on:
Correct Answer: Chromosome 9
Description: → This system consists of 3 major allelic genes; those are A, B and O.
→ They are located on long arm of chromosome 9.
→ These genes control the synthesis of blood group antigens A and B.
→ Based on the presence or absence of antigen A and antigen B, blood is divided into 4 groups i.e A, B, AB and O.
Category:
Pathology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now