Untangling the Centimorgans on Your DNA Test • FamilySearch
Untangling the Centimorgans on Your DNA Test • FamilySearch
Understanding what centimorgans are and viewing how they are measured on a centimorgan chart can help you make sense of your DNA results.
Comments
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I have what is called a double match. Do you have information on that?
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How many Centimorgans does 1 person have? I know you get 1/2 from mom and 1/2 from dad, but how many do you have altogether?
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If you hav't get answer I can tell you that according to my knowledge it should be arround 7.000 cM.
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Thank you, familysearch and Annelie, for all of us lay people understand cM
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Is this wording correct:
centimorgan is a measure of the probability that a shared DNA segment of a particular size will be swapped between chromozones during egg fertilization, which may determine the likelihood of sharing genetic traits.
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I'm trying to find my father, I been talking to a man who maybe my uncle or half sibling I found him through DNA on ancestry. This is what ancestry says Shared DNA: 1,529 cM across 40 segments. Is that sound right, could he be either my uncle or half sibling with those numbers
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Possible DNA relationships
This table shows the percentage of the time people sharing 1,529 cM have the following relationships:
PercentRelationship99%Grandparent
Grandchild
Half sibling
Aunt/uncle
Niece/nephew
<1%1st cousin
Great-grandparent
Great-grandchild
Grandaunt/granduncle
This is through ancestry
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I have a half nephew at 1403 but my and my and brother's father's are brothers meaning it should be higher than the half nephew upper value that is 1446, does this suggest who I thought was my father actually wasn't.
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