Results 301 to 310 of about 1,122,121 (342)
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A TEST OF THE HYPOTHESIS THAT CORRELATIONAL SELECTION GENERATES GENETIC CORRELATIONS
Evolution, 2012Theory predicts that correlational selection on two traits will cause the major axis of the bivariate G matrix to orient itself in the same direction as the correlational selection gradient. Two testable predictions follow from this: for a given pair of traits, (1) the sign of correlational selection gradient should be the same as that of the genetic ...
Derek A. Roff, Daphne J. Fairbairn
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Assortative mating and the genetic correlation
Theoretical and Applied Genetics, 1982The effect of assortative mating on the genetic correlation between traits X and Y is considered. Assortation on trait X changes the magnitude of the genetic correlation but not its sign. There are two situations depending on the signs of the correlation between mates (ρ) and of the random mating genetic correlation (θ): 1) if sign (θ) = sign (ρ), then
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1997
The last chapter examined the genetic basis of the resemblance between parents and offspring for a single trait. However, it is common experience that traits are not inherited as independent units, but that several traits tend to be associated with each other.
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The last chapter examined the genetic basis of the resemblance between parents and offspring for a single trait. However, it is common experience that traits are not inherited as independent units, but that several traits tend to be associated with each other.
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Oligodendrogliomas: clinical and genetic correlations
Current Opinion in Neurology, 2001Oligodendrogliomas, once obscure, are now recognized as a relatively common form of primary brain tumour, and are among the most chemosensitive of all solid human malignancies. New histopathological, molecular, and genetic information has, for the first time, allowed the distinction of several subtypes of human glioma with predictable biological and ...
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Spurious correlations and inference in landscape genetics [PDF]
Molecular Ecology, 2010 AbstractReliable interpretation of landscape genetic analyses depends on statistical methods that have high power to identify the correct process driving gene flow while rejecting incorrect alternative hypotheses. Little is known about statistical power and inference in individual‐based landscape genetics.
Erin L. Landguth, Samuel A. Cushman
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The effects of phenotypic plasticity on genetic correlations [PDF]
Trends in Ecology & Evolution, 1991 Recent theory suggests that genetic correlations should help to predict the simultaneous response to selection of two or more traits, and much recent research has been directed towards understanding the sources of variation in genetic correlations.
Gerdien de Jong +2 more
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Genetic Correlates of Adult Attachment Style
Personality and Social Psychology Bulletin, 2008Attachment theory attempts to explain effects of social experiences, not genes, on personality development. Most studies of the development of attachment insecurities support this emphasis on social experiences rather than genes, although there are exceptions.
Jong-Min Baek +3 more
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The effect of simultaneous selection on the genetic correlation
Theoretical and Applied Genetics, 1995The theoretical effect of simultaneous selection on the genetic correlations between two traits over 20 generations was examined using simulation. For each generation, a population of 50 male and 50 female diploid gen otypes with 15 loci, each with two alleles, was synthesized. None of the loci exhibited dominance.
R. W. Fairfull +3 more
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Genetic correlations with ethanol withdrawal severity
Pharmacology Biochemistry and Behavior, 1983A major goal of pharmacogenetic research on alcoholism remains the identification of some "marker" that could predict the liability of a particular individual for a genetic susceptibility to develop alcoholism. The present paper presents evidence that the severity of withdrawal from physical dependence on ethanol varies widely among inbred strains of ...
Ann Kosobud +2 more
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Genetic Correlations: The Quantitative Genetics of Evolutionary Constraints
1987Dictionary definitions of “constraint” generally indicate some aspect of restricting or confining the possible states or actions of individuals or systems. In the disciplines of linear and dynamic programming, a constraint is a function or inequality specifying the range of permissible values of variables. If the constraints were removed, the dynamical
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