نتایج جستجو برای: weinberg disequilibrium p

تعداد نتایج: 1279161  

Journal: :Genetics 2004
Shuichi Kitada Hirohisa Kishino

We propose a new method for simultaneously detecting linkage disequilibrium and genetic structure in subdivided populations. Taking subpopulation structure into account with a hierarchical model, we estimate the magnitude of genetic differentiation and linkage disequilibrium in a metapopulation on the basis of geographical samples, rather than decompose a population into a finite number of rand...

2011
Long-Hui Lin Lu-Xi Mao Xia Luo Yan-Fu Qu Xiang Ji

We characterize thirteen polymorphic microsatellite loci isolated from Naja atra genomic libraries, which were enriched for AC-motif microsatellites. The thirteen loci were screened on a group of 48 individuals from two populations, one in Yong'an and the other in Ganzhou. These markers revealed a relatively high degree of genetic diversity (4-12 alleles per locus) and heterozygosity (Ho ranged...

Journal: :Molecular ecology resources 2009
Fábio B Britto Fábio M Diniz Ian Paterson Paul Bentzen

The isolation and characterization of the first polymorphic microsatellite markers for the mangrove crab Ucides cordatus are described. The number of alleles at each locus ranged from three to 25, mean of nine alleles, in 46 crabs captured in two Brazilian mangroves. The markers averaged high levels of observed (0.709  ±  0.183) and expected (0.716  ±  0.170) heterozygosities. Departures from H...

Journal: :Molecular ecology resources 2009
Peter R Teske Paul D Cowley Fabien R G Forget Luciano B Beheregaray

Eleven polymorphic microsatellite loci were developed from an enrichment library of the roman, Chrysoblephus laticeps, and characterized for 40 individuals collected in Africa's largest and oldest Marine Protected Area (MPA), the Tsitsikamma National Park. The number of alleles per locus ranged from three to 19, and heterozygosities ranged from 0.20 to 0.85. A significant departure from Hardy-W...

Journal: :Molecular ecology resources 2009
C Fauvelot C Smith-Keune D R Jerry P M Buston S Planes

Here we report on 16 microsatellite loci designed for the damselfish Dascyllus aruanus. All loci were tested on 98 individuals and were polymorphic (seven to 35 alleles). Expected heterozygosity ranged from 0.705 to 0.942. Six loci showed Hardy-Weinberg disequilibrium due to the occurrence of null alleles. Cross-species amplifications conducted within the genus Dascyllus (D. carneus, D. strasbu...

2005
R. J. SCHNELL C. T. OLANO W. E. QUINTANILLA A. W. MEEROW

We report here on the development and characterization of 15 microsatellite loci isolated from Mangifera indica L. These markers were evaluated using 59 Florida cultivars and four related species from the USDA germplasm collection for mango. Two loci were monomorphic and 13 polymorphic, with two to seven alleles per locus. Four loci departed significantly from Hardy–Weinberg equilibrium and hav...

Journal: :BMC Proceedings 2007
Jun Zhang Xiaofeng Zhu Richard S Cooper

We propose a nonparametric association analysis combining both family and unrelated case-control genotype data. Under the assumption of Hardy-Weinberg equilibrium, we formed an affected group to compare with a group of unaffecteds.Comparison with traditional case-control chi-square test and transmission-disequilibrium test shows that this new approach has noticeably improved power. All analysis...

Journal: :Molecular ecology resources 2008
M C Duryea K R Zamudio C A Brasileiro

Here we characterize nine microsatellite loci for Thoropa taophora collected from a coastal and an island population in southeastern Brazil. The number of alleles per locus ranged from three to 11 for the coastal population and from two to eight for the island population. Observed heterozygosities ranged from 0.308 to 0.778 for the coastal population and from zero to 0.737 for the island popula...

Journal: :Rheumatology 2003
A Julià D Gallardo F Vidal J J De Agustín P Barceló M Vilardell S Marsal

OBJECTIVE To investigate whether the corticotrophin-releasing hormone (CRH) genomic region confers genetic susceptibility to rheumatoid arthritis (RA) in the Spanish population. METHODS DNA was obtained from 121 simplex RA families and 101 healthy controls, all from Spanish origin. Two microsatellites, CRHRA1 and CRHRA2, located 25 and 20 kb downstream respectively from the CRH gene were exam...

2007
Sergey Gavrilets

Haplotypes Linkage equilibrium and disequilibrium Additive, multiplicative, epistatic tness regimes Causes of linkage disequilibrium Extent of disequilibrium in nature Multilocus population genetics is the study of the distribution and dynamics of genetic variation at several loci in biological populations. Haplotypes Even the simplest known biological organisms have thousands of genes and mill...

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