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Article
A theoretical treatment of interval map** of a disease gene using transmission disequilibrium tests
The genetic basis of the transmission disequilibrium test (TDT) for two-marker loci is explored from first principles. In this case, parents doubly heterozygous for a given haplotype at the pair of marker loci...
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Article
Accuracy of marker-assisted selection with auxiliary traits
Genetic information on molecular markers is increasingly being used in plant and animal improvement programmes particularly as indirect means to improve a metric trait by selection either on an individual basi...
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Article
On an extremum principle in the genetical theory of natural selection
Natural selection causes gene frequency changes in a large population leading to genetic evolution over evolutionary time scales. Such gene frequency changes, however, involve an optimizing principle. Accordin...
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Chapter
Population Genetics of Quantitative Characters
Even before the science of genetics was born in 1900, evolution and inheritance of quantitative characters were topics of intensive research in the hands of stalwarts like Galton, Pearson, etc. The law of ance...
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Article
Effect of perennial mulches on moisture conservation and soil-building properties through agroforestry
The effect of perennial mulches on moisture status, soil characteristics and on crop yields (maize-wheat rotation) was evaluated from 1986 through 1989 in a silty loam acidic soil (pH 5.6, PWP 11.4 & FC 25.6%)...
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Article
Studies on root distribution of five multipurpose tree species in Doon Valley, India
Observations on the growth performance, rooting behaviour and distribution of fine roots of five tree species viz., Bauhinia purpurea, Grewia optiva, Eucalyptus tereticornis, Leucaena leucocephala and Ougeinia oo...
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Article
Asymptotically efficient partial diallel crosses
The asymptotic efficiency of partial diallel crosses is defined, and circulant plans having such a property are identified. In the absence of an optimal plan to suit his requirements, the breeder should opt fo...
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Article
A note on the estimation of components of variation due to interaction between genotype and temperature for wing length and bristle number inDrosophila ananassae
The analysis of the experiment conducted by Taneja and Negi (1964) in respect of genotype X temperature interactions inDrosophila ananassae has been examined critically by emphasising the underlying genetical mod...