Results 181 to 190 of about 4,513 (216)
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Computational procedure for a weighted diallel analysis
Theoretical and Applied Genetics, 1987A diallel analysis is described for the case in which the values of the characteristic used in an inheritance study have unequal variances. Such a characteristic can be a mean, a slope of a regression line, or the estimates of some parameter of a linear or nonlinear model.
D A, Schaff +2 more
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The replicated diallel cross: A generalized method of analysis
Behavior Genetics, 1984Wim E Crusio +2 more
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A diallel analysis of nicotine-induced hypothermia
Pharmacology Biochemistry and Behavior, 1984The hypothermic responses of mice that occur after acute injection of nicotine show genetic influences. The body temperatures of mice of all five strains tested decreased after injection of either 0.75 or 1.5 mg/kg nicotine, but mice of the C3H strain were less affected than were those of the DBA, BALB, or C57BL strains.
M J, Marks +4 more
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Crop Science, 2011
ABSTRACTDiallel analyses can give different results depending on the model and the experimental design. A unified framework to fit and compare different models by mixed‐model packages is lacking. We, therefore, present a general diallel model and the required additional restrictions for the genetic variance–covariance structure to become equivalent to ...
J. Möhring +2 more
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ABSTRACTDiallel analyses can give different results depending on the model and the experimental design. A unified framework to fit and compare different models by mixed‐model packages is lacking. We, therefore, present a general diallel model and the required additional restrictions for the genetic variance–covariance structure to become equivalent to ...
J. Möhring +2 more
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Crop Science, 1978
Critical issues in the use of diallel analysis are reviewed. From a statistical point of view the critical issue concerns the choice of a model with fixed or random genotypic effects. From a genetical point of view, two assumptions are critical in attempts to interpret the resuits of diallel analyses.
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Critical issues in the use of diallel analysis are reviewed. From a statistical point of view the critical issue concerns the choice of a model with fixed or random genotypic effects. From a genetical point of view, two assumptions are critical in attempts to interpret the resuits of diallel analyses.
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Diallel analysis of bolting in sugarbeet
The Journal of Agricultural Science, 1993SUMMARYA half-diallel design, with parents, involving a random sample of nine partially inbred (S1) lines was used to examine the genetic control of bolting in a broad-based North-West European sugarbeet breeding population. The diallel was analysed using the Hayman (1954a) and Jinks & Hayman (1953) analyses.
T. H. Jolliffe, A. E. Arthur
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Evaluation of the normal equations for the analysis of diallels
Theoretical and Applied Genetics, 1982Analysis of diallel experiments usually requires specialised computer programs. A simple relationship between the normal equations for a diallel and the normal equations for a hypothetical model in which the general combining ability factor is viewed as two separate distinct simple factors may be useful in adapting general statistical analysis packages
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A diallel analysis of solids in tomatoes
Euphytica, 1966A diallel analysis was used to estimate certain genetic parameters for soluble solids in tomatoes. All crosses of small- x small-fruited strains and some small- x large-fruited crosses showed heterosis in the F1 with the means exceeding the top parent.
A. K. Stoner, A. E. Thompson
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Diallel analysis for sex-linked and maternal effects
Theoretical and Applied Genetics, 1996Genetic models including sex-linked and maternal effects as well as autosomal gene effects are described. Monte Carlo simulations were conducted to compare efficiencies of estimation by minimum norm quadratic unbiased estimation (MINQUE) and restricted maximum likelihood (REML) methods.
J, Zhu, B S, Weir
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Analysis of Partial Diallel Crosses in Incomplete Blocks
Biometrical Journal, 1998Summary: With a large number of lines in a diallel cross experiment, the number of crosses becomes unmanageable to be accommodated in homogeneous blocks. To overcome this problem, a sample of crosses, known as partial diallel crosses (PDC), is often used.
Singh, Murari, Hinkelmann, Klaus
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