[PDF] Top 20 Effective Size and Polymorphism of Linked Neutral Loci in Populations Under Directional Selection

... the effective from the real inbreeding coefficient that represents the population size cannot be predicted from the variance probability of identity by descent of genes carried by of progeny number at a ... See full document

... two neutral loci and the distance between the selected locus and either one of the neutral loci is much larger than the distance between the two neutral ...genomic polymorphism ... See full document

... the selection coefficient, the number of populations and the number of generations since onset of selection were found to have the largest effect on ...the effective population size may ... See full document

... two loci, depending on the number of crossovers between loci and centromere, a number of models are developed to gain a better understanding of basic evolutionary processes in automictic ...expected ... See full document

... of selection for of fitness loci and neutral ...at neutral loci, what called identity disequilibrium, can arise if individuals is the actual rate of inbreeding that can be realized in ... See full document

... nucleotide polymorphism of three novel, rapidly evolving genes in populations of Drosophila melanogaster and ...silent polymorphism are comparable to other loci, but the number of replacement ... See full document

... at linked neutral loci can be heterozy- gosity-decreasing because of reduced effective population sizes or heterozygosity-increasing because of associative ...1000 loci that can have ... See full document

... natural selection. How best to identify these selected regions, loci, or single nucleotides remains a challenging ...of neutral (or nearly neutral) ones and to estimate the intensity of ... See full document

... strictly neutral: some polymorphisms are maintained by strong selection and many more are in£u- enced by weak ...within populations is correlated with e¡ective population size, and genetic ... See full document

... large-scale polymorphism data. We analyzed patterns of polymorphism and divergence at Z-linked and autosomal loci in the domestic chicken (Gallus gallus) to study the influence of mutation, ... See full document

... Variation at exon 3 of MHC class I, which codes for the peptide-binding region involved in antigen recogni- tion (Hughes & Yeager 1998), was screened using refer- ence strand-mediated conformation analysis (RSCA) ... See full document

... Pertinent evidence sought in this initial phase should include: (i) a characterization of the phenotypic variance displayed in the base population; (ii) documentation of de[r] ... See full document

... with neutral alleles whose population size is fluctuating ...population size on the effective size are investigated. The effective size defined by the equilibrium average ... See full document

... For example, a balanced polymorphism is expected to elevate neutral polymorphism levels but the size of the region depends on relative magnitudes of the mutation and re[r] ... See full document

... the observed Fˆ from the simulations with these two ex- than the estimate based on the harmonic mean method pectations to evaluate whether Equation 1 or Equation (Equation 1) in seven of the nine generations. This 2 more ... See full document

... of selection intensity, variance of optima among demes, and migration rate for an allogamous and predominantly selfing ...diversifying selection. The highest discrepancy among the three levels occurred ... See full document

... current selection cultivars and hybrids are primarily studied with different types of DNA-markers in agricultural plants that domi- nate in cropland acres—wheat, barley, soya, corn, sun- flower ...genome ... See full document

... sexual selection on these traits (R eeve and P fennig ...become linked on the Z chromosome, then selection can act to rapidly fix the combination in a population (S ervedio and S aetre ... See full document

... We conclude that linkage disequilibrium in these populations is most likely due to natural selection acting on the allozymes, or on loci very tightly linked to them.. A NIMAL and[r] ... See full document

... Wright, S., 1938 The distribution of gene frequencies under irre- dominance through linkage disequilibrium in finite populations. versible mutation. Proc. Natl. Acad. Sci. USA 24: 253–259. Genet. Res. 16: ... See full document