The interpretation of lineage markers in forensic DNA testing.

The interpretation of lineage markers in forensic DNA testing.
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DOI:
10.1016/j.fsigen.2011.01.010
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发表时间:
2011-03
影响因子:
3.1
通讯作者:
Weir, B. S.
Weir, B. S.
中科院分区:
医学2区
文献类型:
--
作者:
Buckleton, J. S.;Krawczak, M.;Weir, B. S.

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线粒体DNA(mtDNA)和Y染色体的非重组部分分别是母系和父系遗传的,没有重组。它们统称为“谱系标记”。血统标记可以用于对一个项目的法医测试,例如犯罪现场的头发,对假设的来源,或在关系测试。匹配的证据权重的估计通常是通过在考虑中的mtDNA或Y-STR单倍型的一些数据库中出现的计数来提供的。在将数据库中的一项计数的事实陈述适用于一个案件时,可能会出现数据库的相关性和抽样不确定性问题。在本文中,我们重新审视采样的不确定性,数据库的相关性,以及常染色体和谱系标记证据的结合问题。我们还回顾了C. H.布伦纳
Mitochondrial DNA (mtDNA) and the non-recombining portion of the Y chromosome are inherited matrilinealy and patrilinealy, respectively, and without recombination. Collectively they are termed ‘lineage markers’. Lineage markers may be used in forensic testing of an item, such as a hair from a crime scene, against a hypothesised source, or in relationship testing. An estimate of the evidential weight of a match is usually provided by a count of the occurrence in some database of the mtDNA or Y-STR haplotype under consideration. When the factual statement of a count in the database is applied to a case, issues of relevance of the database and sampling uncertainty may arise. In this paper, we re-examine the issues of sampling uncertainty, the relevance of the database, and the combination of autosomal and lineage marker evidence. We also review the recent developments by C.H. Brenner.
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