SBB 5261 Exam 3 ｜ Actual Questions and Answers Latest Updated 2026／2027 (Graded A+)

SBB 5261 Exam 3 | Actual Questions and Answers Latest
Updated 2026/2027 (Graded A+)

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What type of H chains make secretions
- ✔✔Type I Structure

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What type of H chains make RBCs
- ✔✔Type II Structure

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H
- ✔✔L-fucosyl transferase in Type II

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A
- ✔✔N-acetylgalactosamyl transferase

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B
- ✔✔D-galactosyl transferase

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What structure carries the sugar chain in Type I
- ✔✔protein backbone

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What structure carries the sugar chain in Type II
- ✔✔lipids

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Se
- ✔✔L-fucosyl transferase in Type I

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Linkage in Type I
- ✔✔B1-3

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Linkage in Type II
- ✔✔B1-4

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Dolichos Bilforus
- ✔✔agglutinates A1 and A1B

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Griffonia simplicifolia
- ✔✔agglutinates B cells

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Ulex eropaeus
- ✔✔agglutinates O cells

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What is linked to AB antigens
- ✔✔Nail-Patella Syndrome

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H Chromosome location
- ✔✔19

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A and B Chromosome Location
- ✔✔9

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What is the ancestral gene?
- ✔✔A

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At what age is antigen strength equal to an adult
- ✔✔2-4 years

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What can be used to differentiate between ABO phenotype and genotype?
- ✔✔Family Studies, Testing for transferases, and Molecular Studies

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Parabombay
- ✔✔secretions are not affected

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Bombay
- ✔✔no secretions

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H antigen expression from Most-Least
- ✔✔O>A2>B>A2B>A1>A1B

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Missing or Weak Reactivity
- ✔✔ABO subgroup, Leukemia, IUT, Transplantation, Excessive blood group substance