In this case, the first one is a stronger match. One of them shares a few long segments with you, while the other shares many small segments. Say you have 2 matches who both share 7% of your DNA. Longer segments of shared DNA indicate that your common ancestor was probably more recent. Check the length of your shared DNA segmentsĭetermining your relationship with a DNA match is not only a matter of how much DNA you share it’s also a matter of which segments of DNA you share. A strong match will have around 200 cM or more. For example, if you share 1800 cM with an individual, that means you share around 25% of your DNA with them. Centimorgans (cM) are units of genetic linkage between two given individuals. You will also see that figure expressed in centimorgans. You can find the percentage of DNA you share with a given DNA Match right on the match card. The more DNA you share with an individual, the more recent your common ancestor was. In lieu of solid genealogical information, genetic information can come in handy. Your match might even have a Theory of Family Relativity™, which corroborates all the data available through MyHeritage to come up with a plausible theory for how you may be related. You’ll be able to find this information right on the match card: See how many shared Smart Matches, ancestral surnames, and ancestral surnames you have.
Check the family treeĪny family tree information provided by the DNA Match may be more significant to your research than anything else.įor example, a 0.4% match with someone who has an extensive family tree might be much more helpful than a 3% match with someone who has only 3 people on their family tree. If you want to focus on DNA matches that are more closely related to you, here’s what to look for: 1. Most genealogists are interested in DNA matches that are most closely related to them and with whom they share the greatest number of ancestors. How do I know if a DNA Match is a close relative? Credit: Ī match of 3% or more can be helpful for your genealogical research - but sometimes even less. You share around 50% of your DNA with your parents and children, 25% with your grandparents and grandchildren, and 12.5% with your cousins, uncles, aunts, nephews, and nieces. The plainest answer to this question is: it depends what you’re looking for. How do you know which ones you should focus on? Through DNA matching, you can identify new relatives and infer new information about your common ancestors.īut due to the considerable size of MyHeritage’s database, you may receive thousands of DNA matches. Genetic genealogy can help you break through brick walls in your research.
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