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Title: Directional selection is best described as Post by: Flognog on Jan 22, 2018 Directional selection is best described as
a. all polymorphic alleles preserved in a population b. T-cell receptor interaction with peptide:MHC complexes directed to a planar interface c. a mechanism in T cells that is analogous to affinity maturation of immunoglobulins d. selected alleles increase in frequency in a population e. selection of most appropriate transplant donor directed at the identification of identical or similar combinations of HLA alleles compared with the transplant recipient. Title: Directional selection is best described as Post by: heyou on Jan 22, 2018 Content hidden
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