Results 1 to 10 of about 188,733 (294)

Phenotypic variance in monozygotic twins with SCA3 [PDF]

open access: yesMolecular Genetics & Genomic Medicine, 2020
Background Spinocerebellar ataxia type 3 (SCA3) is a hereditary neurodegenerative disorder with high clinical heterogeneity. Twin study is valuable to estimate the contributions of gene and/or environment to phenotypic variance.
Hua Zhao   +3 more
doaj   +6 more sources

Phenotypic variance in Calpain-5 retinal degeneration [PDF]

open access: yesAmerican Journal of Ophthalmology Case Reports, 2020
Purpose: To characterize the phenotype of patients with mild calpain-5 Neovascular Inflammatory Vitreoretinopathy (ADNIV). Observations: The CAPN5 p.R243L mutation is typically associated with onset in the twenties and severe, progressive uveitis ...
Peter H. Tang   +7 more
doaj   +4 more sources

The phenotypic variance gradient - a novel concept. [PDF]

open access: yesEcol Evol, 2014
AbstractEvolutionary ecologists commonly use reaction norms, which show the range of phenotypes produced by a set of genotypes exposed to different environments, to quantify the degree of phenotypic variance and the magnitude of plasticity of morphometric and life‐history traits.
Pertoldi C   +3 more
europepmc   +7 more sources

Phenotypic variance explained by local ancestry in admixed African Americans [PDF]

open access: yesFrontiers in Genetics, 2015
We surveyed 26 quantitative traits and disease outcomes to understand the proportion of phenotypic variance explained by local ancestry in admixed African Americans. After inferring local ancestry as the number of African-ancestry chromosomes at hundreds
Daniel eShriner   +6 more
doaj   +3 more sources

Estimates of genotypic and phenotypic variance, heritability, and genetic advance of horticultural traits in developed crosses of cowpea (Vigna unguiculata [L.] Walp) [PDF]

open access: yesFrontiers in Plant Science, 2022
Cowpea, in addition to being a food and feed crop, plays a key role in sustainable farming. The present study’s goal is to develop new high-yielding cowpea varieties.
Haitham E. M. Zaki   +2 more
doaj   +2 more sources

Evolution of phenotypic variance provides insights into the genetic basis of adaptation [PDF]

open access: yesGenome Biology and Evolution, 2021
Abstract Most traits are polygenic and the contributing loci can be identified by GWAS. Their adaptive architecture is, however, difficult to characterize. Here, we propose to study the adaptive architecture of traits by monitoring the evolution of their phenotypic variance during adaptation to a new environment in ...
Lai W   +3 more
europepmc   +4 more sources

Variant-specific inflation factors for assessing population stratification at the phenotypic variance level [PDF]

open access: yesNature Communications, 2021
Pooling participant-level genetic data into a single analysis can result in variance stratification, reducing statistical performance. Here, the authors develop variant-specific inflation factors to assess variance stratification and apply this to pooled
Tamar Sofer   +15 more
doaj   +2 more sources

A modeling of complex trait phenotypic variance determinants. [PDF]

open access: yesPNAS Nexus
Abstract Studies have now shown that the heritability of some complex traits, such as human height, can be virtually fully captured via potential use of sufficiently powered approaches that can characterize the associated collective common- and rare-variant additive genetic architecture.
Hussain S.
europepmc   +3 more sources

Effect of combining ability for indicators of infection of wheat galls nematode and yield in the second generation of bread wheat genotypes Triticum aestivum L. [PDF]

open access: yesمجلة جامعة كركوك للعلوم الزراعية, 2022
A field experiment was carried out in the fields of a farmer in Kirkuk governorate / Hawija district N 43º36´17.73"E"05.56´ 35º16, in the winter season of 2020, and the study included a sensitivity test for 55 genotypes represented ...
Yasser Hindy, Jasim Aziz, Salih Ismail
doaj   +1 more source

Partitioning the phenotypic and genetic variances of reaction norms

open access: yesPeer Community Journal
Many traits show plastic phenotypic variation across environments, captured by their norms of reaction. These reaction norms may be discrete or continuous, and can substantially vary in shape across organisms and traits, making it difficult to compare ...
de Villemereuil, Pierre   +1 more
doaj   +3 more sources

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