{"id":122,"date":"2013-07-21T12:39:30","date_gmt":"2013-07-21T16:39:30","guid":{"rendered":"http:\/\/www.sintheta.org\/mcgene\/?p=122"},"modified":"2013-07-21T12:39:30","modified_gmt":"2013-07-21T16:39:30","slug":"dna-genealogical-comparison-guidance","status":"publish","type":"post","link":"https:\/\/www.sintheta.org\/mcgene\/?p=122","title":{"rendered":"DNA \/ Genealogical Comparison Guidance"},"content":{"rendered":"<p>Can you suggest texts that explain how to read chromosome segments so as to determine family tree branches? \u00c2\u00a0A utility or \u00c2\u00a0app into which to plug selected chromosome data and generate probabilities would be ideal.\u00c2\u00a0GEDmatch does not currently provide the triangulation utility which did help locate and populate potential branches which could then be matched against known family trees.<\/p>\n<p>Thousands of cousins have \u00c2\u00a0turned up via various genetic testing services. \u00c2\u00a0The labs propose generational distance.<\/p>\n<p>Certain individuals share the same chromosome fragment(s). \u00c2\u00a0 Clearly segments over 6 cMs strongly indicate cousinage probability and the larger the segments the stronger the probability. \u00c2\u00a0One can then infer that, the more segments shared, the stronger the cousinage probability. \u00c2\u00a0But how does one read those segments to get the most out of the analysis?<\/p>\n<p>GEDmatch provides \u00c2\u00a0several Admixture analysis utilities which shows you the regional DNA sharing for each segment of \u00c2\u00a0each chromosome. \u00c2\u00a0What is the value in this if one can then determine that shared segments contain specific regional contributions, e.g. north-east Europe, West Asia etc?<\/p>\n<p>There are likely to be other bits of wisdom the appropriate books or utilities could provide.<\/p>\n<p>Where are they?<\/p>\n<p>Thanks.<\/p>\n<p>Ian<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Can you suggest texts that explain how to read chromosome segments so as to determine family tree branches? \u00c2\u00a0A utility or \u00c2\u00a0app into which to plug selected chromosome data and generate probabilities would be ideal.\u00c2\u00a0GEDmatch does not currently provide the triangulation utility which did help locate and populate potential branches which could then be matched [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,40,12],"tags":[],"class_list":["post-122","post","type-post","status-publish","format-standard","hentry","category-1a-master-data","category-dna-basics-2","category-research"],"_links":{"self":[{"href":"https:\/\/www.sintheta.org\/mcgene\/index.php?rest_route=\/wp\/v2\/posts\/122","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sintheta.org\/mcgene\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sintheta.org\/mcgene\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sintheta.org\/mcgene\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sintheta.org\/mcgene\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=122"}],"version-history":[{"count":0,"href":"https:\/\/www.sintheta.org\/mcgene\/index.php?rest_route=\/wp\/v2\/posts\/122\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sintheta.org\/mcgene\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sintheta.org\/mcgene\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sintheta.org\/mcgene\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}