Linkage analysis and map construction in genetic populations of clonal F1 and double cross.

ABSTRACT: In this study, we considered four categories of molecular markers based on the number of distinguishable alleles at the marker locus and the number of distinguishable genotypes in clonal F1 progenies. For two marker loci, there are nine scenarios that allow the estimation of female, male, and/or combined recombination frequencies. In a double cross population derived from four inbred lines, five categories of markers are classified and another five scenarios are present for recombination frequency estimation. Theoretical frequencies of identifiable genotypes were given for each scenario, from which the maximum likelihood estimates of one or more of the three recombination frequencies could be estimated. If there was no analytic solution, then Newton-Raphson method was used to acquire a num

SUBMITTER: Zhang L 

PROVIDER: S-EPMC4349096 | biostudies-literature | 2015 Jan

REPOSITORIES: biostudies-literature