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What are some of the benefits of having a parent genotyped?

Several features become even more powerful if one or both of your biological parents are a 23andMe customer. To take advantage of the additional functionality, you must either be on the same account with your parent(s) or connect with them through either the Share and Compare tool or the DNA Relatives tool. To learn more about how these features become even more powerful when a parent is connected, select the feature you are interested in:

  • DNA Relatives
  • Ancestry Composition
  • Share and Compare
DNA Relatives

The DNA Relatives tool allows you to find and connect with genetic relatives and see specific DNA segments you share with them. The DNA Relatives tool can identify relatives on any branch of your recent family tree by taking advantage of the autosomal chromosomes—the 22 chromosomes that are passed down from your ancestors on both sides of your family—and the X chromosome.

If one or both of your biological parents is a 23andMe customer, and you are sharing with them, DNA Relatives can determine whether a match is likely to be on your mother's side (M) or your father's side (P). You can then filter your matches by which side of the family they’re on. This can help narrow your search if you’re looking for a common ancestor with one of your matches or surface certain matches.

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Ancestry Composition

The Ancestry Composition report uses DNA you inherited from recent ancestors on both sides of your family and tells you the proportion of your DNA that comes from each of 31 worldwide populations, offering a detailed view of your ancestry.

Ancestry Composition is even more powerful if you have a biological parent who is also in the 23andMe database and sharing with you. Here are a few of the benefits:

  • You’ll get an extra result! You'll be able to see the Parental Inheritance section, which shows the contribution of your father to your ancestry on one side and the contribution of your mother to your ancestry on the other. We can't provide this split if you don't have a parent connected. Learn more about Parental Inheritance.

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  • You will get higher resolution results when you connect with a parent. That translates into better Ancestry Composition results, in the sense that you might see more assignment to the fine-resolution ancestries: more Scandinavian, less Northern European. Learn more.

Share and Compare

The Share and Compare tool allows you to trace the flow of your ancestry and traits through each genotyped generation. If you have a biological parent who is also in the 23andMe database and sharing with you, you can see which ancestry and traits you inherited from your parent. The more generations you have genotyped, the further back you can trace your ancestry and traits.

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Additionally, if a female connects with her father via DNA Relatives or Share and Compare, her Paternal Haplogroup report is automatically updated to show his paternal haplogroup. The Paternal Haplogroup report traces the path of her paternal-line ancestors over tens of thousands of years.

 

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