... Low frequency of risk alleles of CARD 15, OCTNI and 2, and DLG5 without association with disease extent ... ... No CARD 15 gradient exist between two different countries with known high and low incidence of CD 31 ... ... Smoking, frequency of appendicectomy and high carbohydrate intake differs between -- CD and UC. ...

... Variation and Gene Function 73 -- Incomplete Dominance and Codominance 73 Multiple Alleles 74 Allelic ... ... Series 75 -- Testing Gene Mutations for Allelism 75 Variation Among the Effects of Mutations 76 Genes ... ... and Genetic Map Distance 180 Chiasma Frequency and -- Genetic Map Distance 182 Genetic Distance and ... ... Frequencies 777 Estimating Allele Frequencies 777 Relating Genotype Frequencies to Allele Frequencies ... ... Frequencies in Genetic Counseling 781 Natural Selection 782 -- Natural Selection at the Level of the ...

... packaged into separate gametes 240 -- According to the law of independent assortment, each pair of alleles ... ... and genotype frequencies 417 -- The Hardy-Weinberg theorem describes a nonevolving population 419 -- ... ... Microevolution is a generation-to-generation change in a population\'s allele or genotype frequencies ... ... small population\'s gene pool: a closer look 421 -- Gene flow can cause evolution by transferring alleles ... ... between populations: a closer look 423 -- Mutations can cause evolution by substituting one allele for ...

... - 8-4 Pre-B-cell receptor signaling inhibits further heavy-chain locus rearrangement and enforces allelic ... ... immune responses. 476 -- 11-20 MHC tetramers identify memory T cells that persist at an increased frequency ... ... relative to their frequency as naive T cells. 477 -- 11-21 Memory T cells arise from effector T cells ... ... complexes by mass spectrometry. 764 -- A-16 Isolation of peripheral blood lymphocytes by density gradient ...

... - 8-4 Pre-B-cell receptor signaling inhibits further heavy-chain locus rearrangement and enforces allelic ... ... hypermutation and selection by antigen in germinal centers. 451 -- 11-16 Memory T cells are increased in frequency ... ... Isolation of lymphocytes. 739 -- A-20 Isolation of peripheral blood lymphocytes by -- Ficoll-HypaqueM gradient ... ... - A-24 Isolation of homogeneous T-cell lines. 742 -- Characterization of lymphocyte specificity, frequency ...