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Modern humans, Neanderthals share a tangled genetic history, study affirms(图)
Modern humans Neanderthals tangled genetic history
2020/4/17
In recent years, scientists have uncovered evidence that Neanderthals and modern humans interbred. Previous research has shown that Neanderthals who were connected to the Vindija Cave in modern-day Cr...
Sleep characteristics modify the association of genetic predisposition with obesity and anthropometric measurements in 119,679 UK Biobank participants
obesity sleep chronotype nap shift work night-shift workers genetic risk score genes
2018/11/13
Background: Obesity is a multifactorial condition influenced by genetics, lifestyle, and environment.
Genetic and environmental effects on body mass index from infancy to the onset of adulthood: an individual-based pooled analysis of 45 twin cohorts participating in the COllaborative project of Development of Anthropometrical measures in Twins (CODATwins) study
BMI children genetics international comparisons twins
2018/12/13
Background: Both genetic and environmental factors are known to affect body mass index (BMI), but detailed understanding of how their effects differ during childhood and adolescence is lacking.
Genetic studies link indigenous peoples in the Amazon and Australasia
Genetic studies link indigenous peoples Amazon Australasia
2015/8/4
Native Americans living in the Amazon bear an unexpected genetic connection to indigenous people in Australasia, suggesting a previously unknown wave of migration to the Americas thousands of years ag...
Big data allows computer engineers to find genetic clues in humans
Big data computer engineers genetic clues in humans
2015/4/1
Big data: It’s a term we read and hear about often, but can be hard to grasp. Computer scientists at Washington University in St. Louis’ School of Engineering & Applied Science tackled some big data a...
Population Structure and Cryptic Relatedness in Genetic Association Studies
Population Structure Cryptic Relatedness Genetic Association Studies
2010/11/16
We review the problem of confounding in genetic association studies, which arises principally because of population structure and cryptic relatedness. Many treatments of the problem consider only a si...
贵州地区汉族人群THO1、TPOX、CSF1PO基因座的遗传多态性Genetic Polymorphisms of STR Loci THO1、TPOX、CSF1PO in Guizhou Han Population
短串重复序列 聚合酶链反应 遗传多态性
2008/1/10
摘要
为了解贵州地区汉族群体中THO1、TPOX、CSF1PO基因座的遗传多态性,获得这3个基因座的群体遗传学数据和法医学相关数据。采自贵州地区汉族无关个体的110份EDTA抗凝血样用Chelex法提取DNA,应用PCR复合扩增技术扩增样本后,聚丙烯酰胺凝胶电泳分型。对3个STR基因座的等位基因频率进行了调查分析,并与其他汉族人群的等位基因频率进行了比较。在贵州汉族群体中,3个基因座的基因型分...
摘要
由于许多教科书中关于连锁平衡的介绍,多是引用结论或是推导不太严谨,使学生在学习群体遗传学时对理解连锁平衡的原理感到困难。本文从遗传平衡的基本条件出发,通过较严谨的数学推导,介绍了两个基因座的连锁平衡条件、平衡过程等原理,供教师和学生在群体遗传学教学中参考。Abstract: Because linkage equilibrium is introduced by directly quo...
北京地区汉族人群21号染色体上5个STR基因座的遗传多态性 Genetic Polymorphisms of Five STR Loci on Chromosome 21 in Chinese Han Population
聚合酶链反应 短串联重复序列 遗传多态性 中国汉族群体 唐氏综合征
2008/1/8
摘要
阐明21号染色体上唐氏综合征关键区域内或附近的5个STR基因座(D21S1413、D21S1446、D21S1437、D21S1411、D21S1412)在北京地区汉族人群中的结构特征和群体遗传学数据。Chelex法提取血DNA,PCR扩增后,应用聚丙烯酰胺凝胶电泳和银染法或基因片段扫描检测法进行STR分型,测序后确定STR基因座的主型和进行等位基因的命名。结果该5个STR基因座具有简单重...
X连锁隐性遗传聋哑(deaf-mute)家系的遗传学特征分析 Genetic Analysis in a Chinese Deaf-Mute Family with X linked Recessive Inheritance
聋哑 遗传性耳聋 X连锁 基因定位
2008/1/8
摘要
在进行中国人群的遗传性耳聋发病情况的调查中,发现了一个5代隔代遗传的聋哑家系(L021家系)。研究中调查家系成员64人,对其中的31人进行了系统的听力学检查,发现聋哑男性8位,听力表型为全聋及极重度聋,获得家系成员的血样31人份。家系图谱分析显示该家系为X连锁隐性遗传性耳聋家系,为先天性聋哑疾病分子病理机制的研究提供了模板。
Abstract: In studying genetic f...
中国广东汉族人群核苷酸修复基因hMTH1遗传多态性研究Genetic Polymorphisms of Nucleotide Repair Gene hMTH1 in Southern Chinese Han Population
hMTH1基因 遗传多态性 聚合酶链反应 单链构象多态性
2008/1/6
摘要
为研究中国南方汉族人群核苷酸修复基因hMTH1遗传多态性,应用聚合酶链反应-单链构象多态性技术检测172名健康人外周血白细胞hMTH1基因启动子及全部5个外显子多态性,并进行DNA测序。结果发现hMTH1基因启动子及外显子1序列保守,未见突变;外显子2第73位碱基存在T→C杂合型突变,基因型TT和TC频率分别为93.02%、6.98%,等位基因T和C频率分别为96.51%、3.49%;外显...
一个并指(趾)缺指(趾)家系的遗传分析The Genetic Analysis of a Family with Syndactyly and Adactylism
并指(趾) 缺指(趾) 掌(跖)骨缺少 家系 常染色体显性遗传
2007/12/31
摘要本文报道一个并指(趾)缺指(趾)家系。该家系2代4人患有并指(趾)缺指(趾),同时伴有掌(跖)骨缺少。经过遗传分析,认为该畸形属常染色体显性遗传。
Abstract:A family with syndactyly and adactylism was reported in this paper.There are four sufferers,suffering from syndac...
摘要
选取9个多态性STR基因座,应用多重PCR技术和聚丙烯酰胺凝胶电泳结合银染显色的方法,对33例病理学诊断为完全性葡萄胎的组织标本及夫妇双方外周血标本进行分子病理学分析研究,判定其DNA来源。结果表明,33例病理学上的完全性葡萄胎有27例DNA为单纯性父方来源,占81.8%(27/33),其中,纯合子完全性葡萄胎为22例,占66.7%(22/33),杂合子完全性葡萄胎5例,占15.1%(5/...
专著信息
书名
An integrated genetic map of Populus deltoides abased on amplified fragment length polymorphism. Theoretical and Applied Genetics,2000,100(8):1249-1256
语种
英文
撰写或编译
作者
Wu Rongling,HanYifan,Li l...
Population Genetic structure and genetic differentiation of Artemia parthenogenetica in China
2007/7/28
期刊信息
篇名
Population Genetic structure and genetic differentiation of Artemia parthenogenetica in China
语种
英文
撰写或编译
撰写
作者
HOU LIN,Li HAI-YAN,ZOU XIANG-YANG,YAO FENG,BI XIANG-DONG AND HE CHONG-BO
第一作者单位
...