[PDF] Top 20 Mapping Quantitative Trait Loci for Complex Binary Diseases Using Line Crosses

... The genetic mechanisms underlying such com- plex diseases are usually analyzed using quantitative ge- netics techniques whose classical model partitions a complex trait into [r] ... See full document

... Mapping quantitative trait loci (QTLs) is usually conducted with a single line ...QTL mapping depends highly on the two parental ...the line cross and is detected, the ... See full document

... the trait were measured at an infinite number of time points, the phenotypic value would form a smooth curve as a function of ...QTL mapping based on the growth ...longitudinal trait to a growth ... See full document

... To avoid a loss in statistical power as a result of homozygous individuals being selected as parents of a mapping population, one can use multiple families of line crosses for quantitati[r] ... See full document

... or binary form. These family in a line cross is ...called complex binary traits. A complex binary experiments, the parental marker genotypes, the link- trait is presumably ... See full document

... inbred line crosses are widely used to map genetic loci associated with complex ...detecting quantitative trait loci (QTL); however, the resolution of QTL locations, ... See full document

... all line- true multivariate analysis in which a multivariate normal crossing experiments of QTL ...QTL mapping by improving ducted via either the expectation-maximization (EM) the statistical power of QTL ... See full document

... of quantitative trait loci (QTL) is an important strategy of genetic mapping for complex traits in ...implemented using the proportion of alleles with identity-by-descent (IBD) ... See full document

... in quantitative traits (such as blood pressure, litter size, or crop ...experimental crosses between inbred lines are widely used; crosses of model organisms can lead to improved understanding of ... See full document

... Although mapping quantitative traits in inbred strains is simpler than mapping the analogous traits in humans, classical inbred crosses suffer from reduced genetic diversity compared to ... See full document

... statistical problems (reviews in Bovenhuis et al. 1997; no particular distinction is made between allele breed Hoeschele et al. 1997; Elsen et al. 1999). The first one origin in current implementations. A strategy ... See full document

... cross using eight genetically diverse founder strains, which makes the CC RI lines closer to natural populations than regular RI lines with more genetic ...performed, using these resources, to fine map ... See full document

... obtained using the 1-LOD drop method for QTL in random (solid lines) and se- lected samples (f ⫽ ...(dashed line); marker spacing during selec- tion was 1 (䉭) or 10 cM (䊊); QTL analysis was performed only ... See full document

... two alleles at equal frequency segregating in both grandparental lines, and the last three markers (at 60,80 and 100 cM) were more informative. , within QTL genotype) standard d[r] ... See full document

... 1995; Xu and Atchley 1996; Visscher et al. 1996a; of markers on chromosomes are known a priori. Marker Rebai 1997; Rao and Xu 1998; Xu et al. 1998). Yi and linkage phases in the parents are assumed known once Xu ... See full document

... affect quantitative traits has been of great interest to geneticists for many decades, and many statistical methods have been developed to map quantitative trait loci ...QTL mapping ... See full document

... spaced in the genome or those preidentified markers plete-data partial-likelihood score function given the that explain most of the genetic variation in the genome. observed data. The solution to this conditional ... See full document

... multiple quantitative trait loci (QTL) underlying phenotypes of a ...fine mapping of closely linked QTL needs an efficient tool to remove confounded shade effects among QTL within such a small ... See full document

... interval mapping (MIM) was developed. MIM uses mul- genotypes. The subscripts of G (1 or 0) denote the tiple marker intervals simultaneously to construct multi- homozygote or heterozygote of the QTL in the order ... See full document

... tion study. Due to the approximations involved in re- it unlikely that the issue of testing the mode of expres- gressions methods, one may want to explore data from sion of a QTL can be solved in a classical testing ... See full document