Simple multiple-marker sib-pair analysis for mapping quantitative trait loci

Article Abstract:

There is an uncomplicated multiple-marker sib-pair analysis method for mapping quantitative trait loci (QTL). Information from multiple markers can be used by looking at the identity by descent from two parents separately. Information from multiple markers can be used to estimate the proportion of alleles identical by descent for a QTL in a certain place. The method is as effective as other least squares methods with multiple markers, with advantages in ease of implementation and accuracy of estimates.

Methods, Usage, Information management, Gene expression, Chromosome mapping, Genetic research, Least squares

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Parentage and sibship exclusions: higher statistical power with more family members

Article Abstract:

Formulas are derived for parentage exclusion probabilities for an arbitrary number of fullsibs and the power of differentiating half-sib, avuncular and grandparent-grandoffspring relationships is examined by using unlinked autosomal markers among different individuals. The results have concluded that the power of genealogical relationship inferences can be enhanced by analyzing multiple individuals for a given set of markers.

Cell differentiation

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The maintenance of hybrid zones across a disturbance gradient

Article Abstract:

The article discusses about an analysis of the balance between the effects of intrinsic viability selection and ecological differentiation on the stability of diploid-polypoid hybrid zones in regions of secondary contact done to study the dynamics of a dispersal-dependent ecotonal hybrid zone across a gradient in the rate of habitat disturbance.

Habitat selection, Diploidy

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