Bombay phenotype - Study guides, Class notes & Summaries

SBB 2024 Practice Test Questions and Answers All Correct (1) What transferase does the H gene produce? - Answer-a-2-L-fucosal transferase. L- fucose attaches to #2 carbon of terminal galactose What transferase does the A gene produce? - Answer-a-3-N-acetylgalactosminyl transferase. N-acetyl galactosomine attaches to #3 carbon of terminal galactose. What transferase does the B gene produce? - Answer-a-3-D galactosyl transferase. D- galactose attaches to #3 carbon of terminal galactose. ...

Humans have 23 pairs of chromosomes. Chromosomes 1-22 are best referred to as ______. a. Centromeres b. Autosomes c. Karyotype d. Nuclei e. Sex chromosomes - Answer-B How many DNA molecules would be found in a single chromosome? a. 4 b. 10 c. More than 10 d. 1 e. 2 - Answer-D An alternate form of a gene is called a(n) ________. a. Allele b. Exome c. Genome d. Chromosomes e. mutation - Answer-A The Central Dogma is best described as ______. a. DNA to Protein to RNA b. Protein ...

Blood Bank ASCP EXAM Review Questions and answers, VERIFIED/ What type of serological testing does the blood bank technologist perform when determining the blood group of a patient? - -phenotyping If anti-K reacts 3+ with a donor cell with a genotype KK and 2+ with a Kk cell, the antibody is demonstrating: - -Dosage Carla expresses the blood group antigens Fya, Fyb, and Xga. James shows expressions of none of these antigens. What factor(s) may account for the absence of these antigens...

The reactivity of blood group A is confirmed by detecting the presence of which immunodominant sugar molecule? a. N-acetyl-D-neuraminic acid b. L-fucose c. N-acetyl-D-galactosamine d. N-acetyl-D-glucosamine e. D-galactose - Answer-c The mating of parents of which two ABO phenotypes can potentially produce offspring with ALL of the common four blood types? AB and O AB and A AB and B AB and AB A and B - Answer-A and B Bombay phenotype (Oh) individuals may have antibodies with all the...

SBB Human Blood Groups | 159 QUESTIONS WITH COMPLETE Answers | Latest . How could you distinguish serologically A1, A2 and A3 - Dolichos biflorus can will react with A1 and not A2. A3 yields mixed field reactions with anti-A and anti-A,B 3. What is the correct order of type of RBCs to transfuse in an AB patient when AB RBCs are not available? Why? - A, B, O; the residual antiB in A RBCs is less immunogenic than the residual anti-A in B RBCs 4. What type of RBCs would you transfuse to a pati...

Mode of Inheritance Ξ -:- Autosomal recessive Ξ Autosomal dominant Ξ X-linked dominant Ξ X-linked recessive Ξ Y-linked Mitochondrial Genotypic ratios persist but phenotypic ratios may vary due to: Ξ -:- .Alleles interacting with each other Ξ .Genes interacting with other genes and the environment Ξ .Non-nuclear genes Ξ .Lack of segregation of genes if on the same chromosome Lethal Alleles Ξ -:- .Allele combination are not compatible with life Ξ . Allele combinations caus...

ABO Importance correct answers -only blood group system that has reciprocal/antithetical/ expect antibodies present in the serum of every single person -ABO matching is very important for transfusion medicine to avoid transfusion reactions ABO antibodies correct answers reciprocal/ antithetical/ expected antibodies in the serum -if someone does not have a certain ABO antigen on their RBCs they will automatically have an antibody against the missing antigen -antithetical antibodies are form...

SBB study guide questions and Answers Exam with A+ Graded Results What enzyme may be useful in distinguishing anti-Ge2 from anti-Ge3? - CORRECT ANSWER-Papain (Anti-Ge2 will not react) The beta 1-3 linkage between galactose and N-actylglucosamine is found in: - CORRECT ANSWER-Secretions Which of the following represents the Type II chain? - CORRECT ANSWER-Beta 1-4 linkage between galactose and N acetyl glucosamine Rank the order of decreasing H concentration on RBCs - CORRECT ANSWER0&...

SBB Human Blood Groups | 159 QUESTIONS WITH COMPLETE Answers Latest . How would Ulex europaeus react with O, A, A2, B, A2B, A1B RBCs? - O>A2>B>A2B>A1>A1B 2. How could you distinguish serologically A1, A2 and A3 - Dolichos biflorus can will react with A1 and not A2. A3 yields mixed field reactions with anti-A and anti-A,B 3. What is the correct order of type of RBCs to transfuse in an AB patient when AB RBCs are not available? Why? - A, B, O; the residual antiB in A RBCs is l...

SBB Human Blood Groups | 159 QUESTIONS WITH COMPLETE Answers | Latest . How would Ulex europaeus react with O, A, A2, B, A2B, A1B RBCs? - O>A2>B>A2B>A1>A1B 2. How could you distinguish serologically A1, A2 and A3 - Dolichos biflorus can will react with A1 and not A2. A3 yields mixed field reactions with anti-A and anti-A,B 3. What is the correct order of type of RBCs to transfuse in an AB patient when AB RBCs are not available? Why? - A, B, O; the residual antiB in A RBCs is...