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FAQs

Who is considered parent 1 on Ancestry? ›

For example, if you know that match is your maternal aunt, and you see that we assigned her to parent 1, then parent 1 is your maternal side–which makes parent 2 your paternal side. Parent 1 in ethnicity inheritance will always be parent 1 in your matches, and parent 2 in one will be parent 2 in the other.

Common reasons a sample may fail

This can happen if the cap is installed incorrectly or not screwed on tightly enough. The blue stabilizing solution did not mix well enough with the saliva sample. Contamination (something other than human saliva and stabilizing liquid in the collection tube), including: bacteria.

Most ancestry companies offer a solid view of your most recent 5-7 generations, with varying levels of detail. This is the report you're used to seeing, with the pie chart and map of your recent ancestry.

Unlike the Y-chromosome or mitochondrial DNA test, AncestryDNA^® uses an autosomal DNA test that surveys a person's entire genome at over 700,000 locations. It covers both the maternal and paternal sides of the family tree, so it covers all lineages.

Half siblings share 25 percent of their DNA. 50 percent of each half sibling's DNA comes from the shared parent, and they inherited about half of the same DNA from that parent as one another.

It's also possible that a person you thought was a close relative isn't biologically related to you. Though it's possible that it's a mistake, it's extremely unlikely. Relationship predictions are almost always accurate for people who are second cousins or closer.

With three centimorgans in common, more than 90% are false matches. Compared to 13 or 14 shared centimorgans, about 2% percent of your matches are false matches. In short, when you're looking at your match data: Close relatives are correct.

DNA science is always evolving, and so are we. DNA ethnicity estimates are updated from time to time based on advances in DNA science and an increasing number of samples in our reference panel. With each update, we continue to add new regions, making your results even more precise.

The lineage of K'ung Ch'iu or Confucius (551–479BC) can be traced back further than that of any other family.

The longest family tree in the world is that of the Chinese philosopher and educator Confucius (551–479 BC), who is descended from King Tang (1675–1646 BC).

How far back is 1% ancestry? ›

At seven generations back, less than 1% of your DNA is likely to have come from any given ancestor.

If you scroll down, you'll start seeing people with dotted lines around their names. These are potential ancestors—people who aren't in your tree, but who are listed in other people's trees. To filter your list so that you see only people in your tree or only potential ancestors, click .

On the DNA test report, all 21 loci will be shown. For each locus you will see 2 separate numbers; this is because we inherit half our genetic material from one parent and half from the other parent. We can thus say we inherit one of the two numbers from each of our parents.

It predicts your recent genetic ethnicity.

Thanks to advances in DNA technology we're able to compare your DNA to samples from around the world, to find out more about your family's background and ethnic history—not ancient history, but the people and places that matter to you.

“Parent 1” and “Parent 2” refer to the order that parents are listed on the Free Application for Federal Student Aid (FAFSA^®) form. For example, if the mother's information was provided first on the “Personal Information for Parent” page, the mother would be considered “Parent 1.”

Generally speaking, we could expect to find the ancestor who passed the 1% ethnicity region to us located about seven generations back in our family tree. This means that the 1% DNA could have come from a great-great-great-great-great grandparent.

Someone in this category is likely a brother or sister who shares both biological parents with you. In the rare situation that you have a half sibling who is also your first cousin, they may appear in this category too.

Mother's side: matches you share with a maternal parent who's taken the test. This filter is only available automatically when a biological mother has also taken the test. Father's side: matches you share with a paternal parent who's taken the test.