![]() ![]() (This is especially true in endogamous communities, who share more overall DNA with relatives than they would otherwise.) In general, only consider shared segments that are longer than 15 cMs smaller value -10 cMs or lower-should be dismissed. But if they’re each small, that doesn’t necessarily indicate a close relationship. You may share a lot of segments with a match. You should consider both the number of shared segments as well as their size. ![]() These large segments could mean that your match is a third cousin or closer- a match worth your time investigating. For example, long segments (like those over 40 cM) are often a good indication that you have a close relationship with that person. Those values offer clues to how you’re related. Matches might share just one segment, or many. The number and size of shared segments matter as well. Generally speaking, the more cMs you share with someone, the more closely you’re related.īut it isn’t always just the total amount of shared DNA that helps you determine your relationship with a match. We measure shared segments in something called centimorgans (cMs). Family Tree Templates and Relationship Charts.Best Genealogy Websites for Asia and the Pacific.Best Geography and Historical Map Websites.Best African American Genealogy Websites.Best US and Canadian Genealogy Websites.Surnames: Family Search Tips and Surname Origins.Preserving Old Photos of Your Family History.How to Find Your Ancestor’s US Military Records. ![]()
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