ABO Blood Group System | Hematology | Dr Najeeb 👨‍⚕️

Опубликовано: 19 Май 2026
на канале: Dr. Najeeb Lectures
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ABO Blood Group System | Hematology | Dr Najeeb 👨‍⚕️

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▬▬▬▬▬▬▬▬▬▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬

00:00:00 Introduction to ABO and Rh blood group systems
00:00:44 Antigens and their relation with different blood groups
00:05:12 H substance/antigen and its origin
00:12:52 Origin of Blood group A antigen and its relation with H antigen, Role of N-Acetyl Galactosamine (NAGA) Transferase/Transferase A
00:19:38 Blood group B antigen in relation to H antigen Role of B transferase
00:23:04 Comparison between blood group A antigen and blood group B antigen
00:24:27 Relation between genotype and phenotype with subsequent blood groups
00:30:41 Why AB blood group is called AB? Origination of its antigens along with role of H antigen
00:34:23 Antigens in blood group O and the reason why it is called blood group O?
00:37:26 Definition of allele, concept of dominant and recessive allele with examples and their relations with ABO blood group system

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Nature of A, B, AB and O Blood Groups,
H antigen/H substance as precursors of RBC antigens,
From H substance to A antigen; Role of N-Acetyl Galactosamine (NAGA) Transferase/Transferase A
H substance to B antigen; Role of B transferase; role of maternal and paternal genes in contributing to blood groups

Further comparison of blood groups A and B in terms of being hetero- and homozygous for either A or B; genotypes and phenotypes for A or Blood gorups

AB blood group; genotype, phenotype

O blood group; non functional gene variants

Genetics of ABO system; transferase A, transferase B or non-functional gene variants and dominant and recessive alleles.