From: The major histocompatibility complex in Old World camelids and low polymorphism of its class II genes
Species
DRA (n)
DRB (n)
DQA (n)
DQB (n)
Camelus ferus
18
11
8
5
Camelus bactrianus
30
42
47
Camelus dromedarius
37
54
19
7