Podcast
Questions and Answers
Which chromosomes are most blood group genes located on?
Which chromosomes are most blood group genes located on?
- Both sex and autosomal chromosomes
- Mitochondrial chromosomes
- Sex chromosomes
- Autosomal chromosomes (correct)
What type of inheritance do most blood group alleles demonstrate?
What type of inheritance do most blood group alleles demonstrate?
- Codominance (correct)
- Polygenic inheritance
- Incomplete dominance
- Epistasis
What is the result of paired chromosomes carrying the same silent allele?
What is the result of paired chromosomes carrying the same silent allele?
- Recessive phenotype
- Null phenotype (correct)
- Intermediate phenotype
- Dominant phenotype
What can null phenotype RBCs be helpful for?
What can null phenotype RBCs be helpful for?
Do regulator or modifying genes necessarily have to be located at the same locus as the blood group genes they affect?
Do regulator or modifying genes necessarily have to be located at the same locus as the blood group genes they affect?
Which of the following accurately describes the naming conventions for blood group antigens?
Which of the following accurately describes the naming conventions for blood group antigens?
What does the plus sign or minus sign written on the same line as an antigen indicate?
What does the plus sign or minus sign written on the same line as an antigen indicate?
When testing for both antithetical antigens, how are the results written?
When testing for both antithetical antigens, how are the results written?
What is a phenotype in the context of blood group antigens?
What is a phenotype in the context of blood group antigens?
How have blood group antigens been named over the last century?
How have blood group antigens been named over the last century?
Which of the following is true about blood group antigens?
Which of the following is true about blood group antigens?
Which of the following is an example of a complex structure that carries more than one antigen?
Which of the following is an example of a complex structure that carries more than one antigen?
What is the role of regulator or modifying genes in blood group systems?
What is the role of regulator or modifying genes in blood group systems?
How are alloantibodies that detect blood group antigens produced?
How are alloantibodies that detect blood group antigens produced?
Which gene must be present for conversion to Leb?
Which gene must be present for conversion to Leb?
What is the ISBT system number assigned to the Lewis blood group system?
What is the ISBT system number assigned to the Lewis blood group system?
Which individuals are mostly nonsecretors of ABH?
Which individuals are mostly nonsecretors of ABH?
Which population is the Le(a–b–) phenotype found more frequently among?
Which population is the Le(a–b–) phenotype found more frequently among?
Which tissues are Lewis antigens found on, apart from RBCs?
Which tissues are Lewis antigens found on, apart from RBCs?
Which enzyme treatment can enhance the reactivity of Lewis antibodies?
Which enzyme treatment can enhance the reactivity of Lewis antibodies?
Which gene is responsible for the conversion of a precursor substance to Lea?
Which gene is responsible for the conversion of a precursor substance to Lea?
What is the function of the Se gene in the conversion of a precursor substance to Leb?
What is the function of the Se gene in the conversion of a precursor substance to Leb?
Which blood group system was the Lewis system named after?
Which blood group system was the Lewis system named after?
Which population has the highest prevalence of the Le(a+b+) phenotype?
Which population has the highest prevalence of the Le(a+b+) phenotype?
Which of the following tissues do Lewis antigens NOT express on?
Which of the following tissues do Lewis antigens NOT express on?
Which Lewis antibody is the most commonly encountered?
Which Lewis antibody is the most commonly encountered?
When do Lewis glycolipids become detectable in the plasma of newborns?
When do Lewis glycolipids become detectable in the plasma of newborns?
Which phenotype do individuals with lele genes exhibit throughout their lives?
Which phenotype do individuals with lele genes exhibit throughout their lives?
Which antigen is expressed on all RBCs except those of the very rare p phenotype?
Which antigen is expressed on all RBCs except those of the very rare p phenotype?
Which of the following phenotypes describes RBCs that react with anti-P1 and anti-P?
Which of the following phenotypes describes RBCs that react with anti-P1 and anti-P?
Which of the following phenotypes describes RBCs that do not react with anti-P1 but do react with anti-P?
Which of the following phenotypes describes RBCs that do not react with anti-P1 but do react with anti-P?
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