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Blood Group Systems Overview

IgM antibodies

"HTLA" group

High Titer Low Avidity

ABO

Chromosome 9

Rh

Chromosome 1

HLA

Human Leukocyte Antigens

Chromosome 6

Lewis (Le)

a

b

1 gene (Le), but 2 antigens:

  • Le

  • Le

Chromosome 19

P1Pk and Globoside (P)
MNSs

Chromosome 4

Kell (K)

Chromosome 7

Kidd (Jk)

Chromosome 18

Duffy (Fy)

Chromosome 1

Lutheran (Lu)

Chromosome 19

Ii

Chromosome 6

Diego (Di)
Vel
Knops

Chromosome 1

Chido/ Rodgers

Chromosome 6

Dombrock 
John Milton Hagen
Cromer

Chromosome 1

Colton
Cartwright
Scianna

Chromosome 1

Sources:​

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