phenotypic variance
A Quantitative Model of the Relationship Between Phenotypic Variance and Heterozygosity at Marker Loci Under Partial Selfing
... morphological variance have been 1978; Chakraborty 1987; Yezerinac et ...in phenotypic tions that lack correlations among ...rela- variance among genotypes reflect changes in rates of tionships ...
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STABILIZING AND DISRUPTIVE SELECTION ON A MUTANT CHARACTER IN DROSOPHILA. I. THE PHENOTYPIC VARIANCE AND ITS COMPONENTS
... In his experiments in which stabilizing and disruptive selection was prac- tised on the duration of larval development in Drosophila, he found no change of environmental variance[r] ...
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THE EFFECTS OF DISRUPTIVE AND STABILIZING SELECTION ON BODY SIZE IN DROSOPHILA MELANOGASTER. I. MEAN VALUES AND VARIANCES
... Sta- bilizing selection (S) on thorax length or wing length did not decrease the phenotypic variance, but the mean value of the selected character declined.- The proport[r] ...
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Multivariate Analysis of Genotype–Phenotype Association
... genetic variance and heritability in approaches ii and iii requires no constraint on the norm of a; the explained phenotypic variance is unaffected by the norm of a: (The SVD scales a so that the ...
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SHORT COMMUNICATION GENETIC ANALYSIS OF WHEAT ( TRITICUM AESTIVUM L.) GENOTYPES FOR PHYSIOLOGICAL TRAITS UNDER DIFFERENT MOISTURE REGIMES
... Maximum characters which were investigated, showed high values of broad sense heritability. The physiological traits membrane injury, CTD I, CTD II at 10 days after anthesis and relative water content showed a very high ...
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Genetic variance for body size in a natural population of Drosophila buzzatii.
... Because the phenotypic variance of wild flies was 7-9 times that of the flies raised in the laboratory, “natural” heritability may be estimated as one-seventh to one- ninth that [r] ...
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THE COHESIVE POPULATION GENETICS OF MOLECULAR DRIVE
... T h e significance of a small phenotypic variance during this gradual process of genetic transformation of a population is that selection might tolerate the small c[r] ...
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A GENETIC ANALYSIS OF TARGETED GROWTH IN MICE
... Our analyses of body weights are best summarized by the concept of targeted growth: all components of phenotypic variance increase early in life, then are reduced as growth [r] ...
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Best Prediction of the Additive Genomic Variance in Random-Effects Models
... the phenotypic variance than the estima- tor, termed M1, based on gBLUP (VanRaden 2008; Yang et ...genomic variance [already mentioned in Sorensen et ...genomic variance in linear models with ...
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Estimation of Epistatic Variance Components and Heritability in Founder Populations and Crosses
... amount of the phenotypic variance. By analogy with the problem of missing heritability for additive effects, it is un- likely that we will have the power to detect all of the inter- actions influencing a ...
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GENETICS OF LIFE HISTORY IN DROSOPHILA MELANOGASTER. I. SIB ANALYSIS OF ADULT FEMALES
... Daily fecundity: Table 1 gives means and linear regression statistics for 9, (estimated phenotypic variance), 9, (estimated additive genetic variance), 3, (estimated dominanc[r] ...
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Understanding variation in metabolic rate
... After accounting for genetic contributions to phenotypic variance, there remains a significant proportion of unexplained variation in metabolic rate that needs to be considered. Variation in metabolic rate ...
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Genetic correlations and maternal effect coefficients obtained from offspring-parent regression.
... A dynamic model of maternal effects demonstrates that, in addition to the phenotypic variance- covariance matrix of the characters, sufficient parameters for predicting[r] ...
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Covariance components by a repeatability model in Slovenian dairy sheep using test-day records
... of variance components with flock-test month effect in the fixed part of the ...of variance due to flock-test month effect provides information about the enlargement of phenotypic ...the ...
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Components of genetic variance and interrelationship among quantitative traits in CAZRI-bred inbred restorers of pearl millet [Pennisetum glaucum (L.) R. Br.]
... of variance according to Steel and Torrie (1980). The phenotypic and genotypic coefficients of variations were computed as suggested by Burton and Davane ...genetic variance and phenotypic ...
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SELECTION IN FINITE POPULATIONS WITH MULTIPLE ALLELES I. LIMITS TO DIRECTIONAL SELECTION
... Pertinent evidence sought in this initial phase should include: (i) a characterization of the phenotypic variance displayed in the base population; (ii) documentation of de[r] ...
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THE EFFECTS OF DISRUPTIVE AND STABILIZING SELECTION ON BODY SIZE IN DROSOPHILA MELANOGASTER. II. ANALYSIS OF RESPONSES IN THE THORAX SELECTION LINES
... of the phenotypic variance and the large increase of the mean value in the disruptive selection lines with random mating ( D E ) could be attributed to differences[r] ...
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Estimation of genetic parameters of reproductive traits in Zandi sheep using linear and threshold models
... of variance components, heritability, permanent environmental variance to phenotypic variance, and repeatability for the studied traits with linear analysis are presented in Table ...
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Genetic variability studies in F2 and F3 generations of ridge gourd for yield and yield components [Luffa acutangula (L.) Roxb.]
... of phenotypic variance, phenotypic coefficient of variation (PCV), genotypic variance, genotypic coefficient of variation (GCV), broad sense heritability and genetic advance percentage over ...
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MORPHOLOGICAL DIVERSITY OF LEAF CHARACTERS IN THREE NATURAL POPULATIONS OF L. SKEELS Argania spinosa
... The genetic diversity within and between three natural populations of Argania spinosa in south west Morocco was investigated by using nine morphological characters of simple and grouped leaves for three consecutive ...
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