نتایج جستجو برای: to assess heritability
تعداد نتایج: 10618307 فیلتر نتایج به سال:
Quantitative genetic analysis is often fundamental for understanding evolutionary processes in wild populations. Avian populations provide a model system due to the relative ease of inferring relatedness among individuals through observation. However, extra-pair paternity (EPP) creates erroneous links within the social pedigree. Previous work has suggested this causes minor underestimation of h...
Background: Obesity is one of the most important risk factors for cardiovascular disease and genetic and environmental factors play important role in this risk factor. The aim of present study was to estimate the heritability of anthropometric variables in Tehran Lipid and Glucose Study (TLGS) families. Methods: In this cross-sectional study, 529 two generation families were selected from amon...
Female mosquitoes display preferences for certain individuals over others, which is determined by differences in volatile chemicals produced by the human body and detected by mosquitoes. Body odour can be controlled genetically but the existence of a genetic basis for differential attraction to insects has never been formally demonstrated. This study investigated heritability of attractiveness ...
the objective of the article is to investigate the variability in growth and wood properties of the willow clones. the growth and wood traits of four year old 21 clones willow clones were investigated. analysis of variance showed that willow clones differed significantly for all the studied growth and wood traits. among the growth parameters the maximum heritability value was shown by height wh...
Eighty-nine germplasm of rice (Oryza sativa L.) along with four checks were evaluated in a well-prepared field to assess the genetic variability, heritability, and advance for different characters under irrigated conditions Augmented Block Design. In this study, analysis variance revealed highly significant or all 13 except non–significant 1000- grain weight. High moderate broad sense heritabil...
Traditional family, twin and adoption studies have shown consistently that psychopathology and cognitive traits are familial and heritable. High heritability estimates have led to the conclusion that genetic factors make a substantial contribution to risk of many mental disorders and have fuelled the search for DNA variants associated with psychopathology and cognitive traits. Molecular genetic...
The efficiency of cross-breeding programs mainly depends on the choice of the progenitors and the knowledge on the transmission of traits that breeder wants to improve. In the present study heritability rate of 65 traits related to different parts of vegetative, reproductive, nut and kernel in 12 populations (320 progenies) derived from controlled crosses of 13 local and foreign almond genotype...
By applying multivariate statistical analysis, this research aimed to estimate the heritability and find relationships between the vegetative and reproductive characteristics of Prunus scoparia and Prunus elaeagnifolia. Twenty genotypes of each species were selected randomly from cultivated populations and twenty-two traits including the tree, leaf, flower, nut and kernel attributes were measur...
BACKGROUND Strategies to dissect phenotypic and genetic heterogeneity of major depressive disorder (MDD) have mainly relied on subphenotypes, such as age at onset (AAO) and recurrence/episodicity. Yet, evidence on whether these subphenotypes are familial or heritable is scarce. The aims of this study are to investigate the familiality of AAO and episode frequency in MDD and to assess the propor...
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