Bombay phenotype - Study guides, Class notes & Summaries

ASCP MLS Exam Questions with Complete Solutions(Blood Bank) With Verified Answers - Study Guide (Rated A) What is the gene frequency of J k1 in this population? a. 0.31 b. 0.45 c. 0.55 d. 0.60 (Answer: - c. Use the Hardy-Weinberg equation: p2 + 2pq + q' = 1.0 In this example, p2 is the homozygous pofulation, Jk(a+b-). The square root of p' = p, which is the gene frequency of Jka in this population. Out of 400 people, 122, or 30% are homozygous. The square root of 0.30 = is 0.55. In a...

What type of serological testing does the blood bank technologist perform when determining the blood group of a patient? Correct Answer: phenotyping If anti-K reacts 3+ with a donor cell with a genotype KK and 2+ with a Kk cell, the antibody is demonstrating: Correct Answer: 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 in James? Correct Answer: Gender...

SBB 2024 Practice Test Questions and Answers All Correct 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. Wha...

Define dosage - Answer Dosage is defined as an antibody reacting stronger with homozygous cells (such as KK) than with heterozygous cells (Kk) List the antigens that commonly show dosage? - Answer Kell. M. N. S, little s. F.y.a, F.y.b J.k.a, J.k.b. Antigens of the Rh system. Is the Duffy antigens F.y.a and F.y.b more prevalent in African Americans or in whites? - Answer In African Americans. 70% African Americans and it is very rare in whites. What does the term heter...

Dosage is defined as an antibody reacting stronger with homozygous cells (such as KK) than with heterozygous cells (Kk) - ANSWER-Define dosage Kell. M. N. S, little s. F.y.a, F.y.b J.k.a, J.k.b. Antigens of the Rh system. - ANSWER-List the antigens that commonly show dosage? In African Americans. 70% African Americans and it is very rare in whites. - ANSWER-Is the Duffy antigens F.y.a and F.y.b more prevalent in African Americans or in whites? A diploid organism is heterozygou...

BIO 315 Exam 1 Questions and Answers 100% Pass 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 - Correct 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 - Correct Answer ️️ -D An alternate form of a gene is called a(n) ________. a. Allele b. Exome c. Genome d. Chromosomes e. mutation - Correct Answer...

Harr ISBBWhat type of serological testing does the blood bank technologist perform when determining the blood group of a patient? A. Genotyping B. Phenotyping C. Both genotyping and phenotyping D. Polymerase chain reaction B Phenotyping, or the physical expression of a genotype, is the type of testing routinely performed in the blood bank. An individual, for example, may have the AO genotype but phenotypes as group A. If anti-K reacts 3+ with a donor cell with a genotype KK a...

What type of serological testing does the blood bank technologist perform when determining the blood group of a patient? - ANSWER-phenotyping If anti-K reacts 3+ with a donor cell with a genotype KK and 2+ with a Kk cell, the antibody is demonstrating: - ANSWER-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 in James? - ANSWER-Gender and Race. The frequency...

BIO 315 Exam 1 Questions and Answers 100% Pass 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 - Correct 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 - Correct Answer ️️ -D An alternate form of a gene is called a(n) ________. a. Allele b. Exome c. Genome d. Chromosomes e. mutation - Correct Answer...

SBB Human Blood Groups Exam Questions with Correct 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...