نتایج جستجو برای: weinberg equilibrium

تعداد نتایج: 131317  

Journal: :تحقیقات دامپزشکی 0
عاطفه اسماعیل نژاد گروه پاتوبیولوژی، دانشکده دامپزشکی دانشگاه شیراز، شیراز–ایران غلامرضا نیکبخت گروه میکروبیولوژی و ایمونولوژی، دانشکده دامپزشکی دانشگاه تهران، تهران–ایران ندا خازنی اسکویی گروه میکروبیولوژی و ایمونولوژی، دانشکده دامپزشکی دانشگاه تهران، تهران–ایران فرهاد امینی گروه بهداشت و تعذیه دام و طیور، دانشکده دامپزشکی دانشگاه تهران، تهران–ایران

background: major histocompatibility complex (mhc) in chicken has profound influence on resistance/susceptibility to disease, and production and reproduction traits. microsatellite marker lei0258 is a genetic indicator for mhc haplotypes. recognizing diversity of mhc haplotypes in selectively bred populations will be helpful for selecting population resistant to disease and development of effec...

Journal: :The American journal of tropical medicine and hygiene 2010
Helena Brochero Cong Li Richard Wilkerson Jan E Conn Manuel Ruiz-García

Five Anopheles marajoara Galvão and Damasceno populations, representing diverse ecological conditions, were sampled throughout Colombia and analyzed using nine hypervariable DNA microsatellite loci. The overall genetic diversity (H = 0.58) was lower than that determined for some Brazilian populations using the same markers. The Caquetá population (Colombia) had the lowest gene diversity (H = 0....

Journal: :Molecular ecology resources 2008
Nancy A Schable Ashley M Kuenzi Carrie A Drake Nadine C Folino-Rorem John A Darling

Cordylophora caspia, a colonial hydrozoan native to the Ponto-Caspian region, has become a common invader of both fresh and brackish water ecosystems of North America and Europe. We describe 11 polymorphic microsatellite loci for this species. Preliminary analyses indicate that population substructure may contribute to departures from Hardy-Weinberg equilibrium. In addition, new loci failed to ...

2005
ALAN W. MEEROW

Sixteen microsatellite loci isolated from Halesia tetraptera are described. All 16 are polymorphic, with four to 13 alleles across 15–19 members of a single half-sib family. Heterozygosity ranged from 0.067 to 1. One locus departs significantly from Hardy–Weinberg equilibrium in our test family. The test population shows significant heterozygote deficiency at this and two other loci. Thirteen l...

Journal: :Molecular ecology resources 2009
Marloes Poortvliet Jeanine L Olsen Kimberly A Selkoe James A Coyer Giacomo Bernardi

Eleven microsatellites were characterized for Semicossyphus pulcher (California sheephead) using an enrichment protocol. The number of alleles varied from three to 14 for a sample of 40 individuals from two populations. Expected heterozygosities ranged from 0.311 to 0.891. All loci but one were in Hardy-Weinberg equilibrium. No evidence for linkage disequilibrium was observed. These polymorphic...

1994
Douglas C. Heggie

This paper is concerned with collisionless aspects of the early evolution of model star clusters. The effects of mass loss through stellar evolution and of a steady tidal field are modelled using N -body simulations. Our results (which depend on the assumed initial structure and the mass spectrum) agree qualitatively with those of Chernoff & Weinberg (1990), who used a Fokker-Planck model with ...

Journal: :Ciência e Natura 2021

The genetics of human populations is the branch Genetics that studies dynamics genes in natural populations, aiming at elucidation mechanisms alter their genetic composition. Among fundamentals this science Hardy-Weinberg Equilibrium, which determines gene frequencies remain unchanged and genotypic proportions reach a stable balance, obtaining same constant relation with each other over time. T...

Journal: :Molecular ecology resources 2009
Rena M Schweizer Gary W Roemer John P Pollinger Robert K Wayne

We characterized 15 polymorphic tetranucleotide microsatellite markers for the ringtail, Bassariscus astutus. We tested these loci in 21 individuals captured in Arizona and Texas and found six to 19 alleles per locus. Observed and expected heterozygosities ranged from 0.381 to 1.000 and from 0.381 to 0.941, respectively. All loci were in Hardy-Weinberg equilibrium, and none were in linkage dise...

2005
ALAN W. MEEROW MICHAEL GIDEON DAVID N. KUHN

Ten microsatellite loci isolated from Iris hexagona are described. All these loci are polymorphic, with three to 13 alleles across 24 individuals from a single natural population. Heterozygosity ranged from 0.125 to 0.870. Three loci depart significantly from Hardy–Weinberg equilibrium in our test population. The test population shows significant heterozygote deficiency in these and two other l...

Journal: :Genetics and molecular research : GMR 2010
T-J Xu D-Q Sun G Shi R-X Wang

Using an (AG)13 enriched genomic library of Mugil cephalus, 12 polymorphic microsatellite loci were isolated and characterized in a test population; the number of alleles ranged from 2 to 11. The observed and expected heterozygosities ranged from 0.2593 to 0.8966 and from 0.3047 to 0.8454, respectively. Two loci deviated from Hardy-Weinberg equilibrium; linkage disequilibrium among the 12 loci ...

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