Question

Which of the following is matched INCORRECTLY?

		Genetic polymorphism Many different alleles for a certain trait that exist within a population
		Isotypes Different proteins that are produced by the different genes from a gene family
		Alleles The different variants of a gene
		Polymorphic There are many different alleles for one gene within a population
		Monomorphic There is only one allele for a gene within a population
		MHC class I isotypes: HLA-A, HLA-B, HLA-C, HLA-E, HLA-F, and HLA-G
		MHC class II isotypes: HLA-DM, HLA-DO, HLA-DP, HLA-DQ, and HLA-DR
		Haplotype The complete complement of MHC-I and MHC-II genes that an individual inherits from both of their parents

The alpha chain variable region is composed of _________ whereas the beta chain variable region is composed of ______.

		V-J-C ; V-D-J-C
		V-D-J ; VJ
		V-D-J-C ; V-J-C
		V-J ; V-D-J

Which of the following is incorrectly matched?

		MHC-II ; alpha 1,2 and beta 1,2 domains
		MHC-II ; present on all body cells
		MHC-I ; antigen binding site is composed of alpha 1 and alpha 2 domains
		MHC-II ; presents extracellular antigens from pathogens or other non-self proteins
		MHC-I ; presents intracellular antigens from viruses or degraded self-proteins
		MHC-I ; presents antigen to cytotoxic T cells
		MHC-I ;  alpha 1,2,3 domains and beta macroglobulin
		MHC-II ; presents antigen to T helper cells

Answer 1

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