Heritability in the genome-wide association era.

Heritability in the genome-wide association era.
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DOI:
10.1007/s00439-012-1199-6
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发表时间:
2012-10
期刊:
影响因子:
5.3
通讯作者:
Kraft P
Kraft P
中科院分区:
生物学2区
文献类型:
--
作者:
Zaitlen N;Kraft P

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遗传力是指由遗传变异解释的表型变异的比例,已被估计为一系列种群、生物体和时间点中的许多表型。最近发展的高效基因分型和测序技术使研究人员试图通过GWAS直接鉴定负责表型遗传组分的遗传变异。由GWAS结果解释的表型方差与由经典遗传力方法估计的表型方差之间的差距被称为“缺失遗传力问题”。在这项工作中,我们研究了估计遗传力的现代方法,这些方法直接使用基因型和序列数据。我们讨论他们的背景下,经典的遗传性方法,遗传性缺失的问题,并描述其含义理解复杂的表型的遗传结构。
Heritability, the fraction of phenotypic variation explained by genetic variation, has been estimated for many phenotypes in a range of populations, organisms, and time points. The recent development of efficient genotyping and sequencing technology has led researchers to attempt to identify the genetic variants responsible for the genetic component of phenotype directly via GWAS. The gap between the phenotypic variance explained by GWAS results and those estimated by from classical heritability methods has been termed the “missing heritability problem”. In this work, we examine modern methods for estimating heritability, which use the genotype and sequence data directly. We discuss them in the context of classical heritability methods, the missing heritability problem, and describe their implications for understanding the genetic architecture of complex phentoypes.
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期刊: AMERICAN JOURNAL OF MEDICAL GENETICS
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