Question: How much DNA do 3rd cousins share?

Average Percent DNA Shared Between RelativesRelationshipAverage % DNA SharedRange1st Cousin once removed Half first cousin6.25%2% - 11.5%2nd Cousin3.13%2% - 6%2nd Cousin once removed Half second cousin1.5%0.6% - 2.5%3rd Cousin0.78%0% - 2.2%7 more rows

Do 3rd cousins count?

First cousins share grandparents, counting back two generations to their shared ancestors. Second cousins count back three generations to their great-grandparents. Third cousins count back four generations to their great-great-grandparents.

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