9 resultados para Lee, Charles, 1731-1782.
em Boston University Digital Common
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Digitized from a letter in the Drew University Methodist Collection. 1 Item (2 p.); 17 x 20 cm
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http://www.archive.org/details/missionaryheroes00unknuoft
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http://www.archive.org/details/amongindiansofal00repliala
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http://www.archive.org/details/lifeoffatherdesm00laverich
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http://anglicanhistory.org/bios/pollock/ View document online
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http://www.archive.org/details/anamericanmissio00judguoft
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http://www.archive.org/details/historyofchristi003076mbp
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Background Single nucleotide polymorphisms (SNPs) have been used extensively in genetics and epidemiology studies. Traditionally, SNPs that did not pass the Hardy-Weinberg equilibrium (HWE) test were excluded from these analyses. Many investigators have addressed possible causes for departure from HWE, including genotyping errors, population admixture and segmental duplication. Recent large-scale surveys have revealed abundant structural variations in the human genome, including copy number variations (CNVs). This suggests that a significant number of SNPs must be within these regions, which may cause deviation from HWE. Results We performed a Bayesian analysis on the potential effect of copy number variation, segmental duplication and genotyping errors on the behavior of SNPs. Our results suggest that copy number variation is a major factor of HWE violation for SNPs with a small minor allele frequency, when the sample size is large and the genotyping error rate is 0~1%. Conclusions Our study provides the posterior probability that a SNP falls in a CNV or a segmental duplication, given the observed allele frequency of the SNP, sample size and the significance level of HWE testing.