Polymorphism...

MCHI- Location

MCHI- Function

MCHI- No of Types

MCHI- Alpha1 Chain

MCHI- Beta2

MCHI- Alpha 3 and Beta 2

MCHI- Size of Peptide Presented

MCHII- Location

MCHII- Alpha and Beta Chains

Polygenism

Polymorphic

MHC is both polymorphic and polygenic