The number of MHC protein combinations possible in a given population is enormous. However, an individual in that diverse population has a far more limited array of MHC molecules because
A) the MHC proteins are made from several different gene regions that are capable of rearranging in a number of ways.
B) MHC proteins from one individual can only be of class I or class II.
C) each of the MHC genes has a large number of alleles, but each individual only inherits two for each gene.
D) once a B cell has matured in the bone marrow, it is limited to two MHC response categories.
E) once a T cell has matured in the thymus, it can only respond to two MHC categories.

Question

Quizplus · Accepted Answer

Each human inherits two alleles of each MHC gene, one from each parent, limiting the number of MHC molecules an individual can produce. While the MHC proteins are made from several different genes that can rearrange, this does not limit an individual's array of MHC molecules. North American is focused on one population and does not address MHC molecules or B and T cell responses.

The Number of MHC Protein Combinations Possible in a Given