# Interpreting AncestryByDNA results

## What is a high percentage on AncestryDNA?

High percentage of an ethnicity region can also mean distant ancestry. Other times, having a very high percentage of a particular ethnicity means that many, or even all, of your ancestors have roots in a particular place. For example, my husband has 100% Native American on Ancestry DNA.

## What do the percentages mean on AncestryDNA?

AncestryDNA determines the range by analyzing each DNA sample an extra 40 times. Each time, a few randomly selected portions of the sample are left out to help improve statistical validity of the first analysis, which is done with the entire sample. The percentage you get is the average of those 40 tests.

## How many generations back is 1 of your DNA?

With each generation, your DNA divides. So, for a 1% DNA result, you would be looking at around seven generations.

## How do I figure out my ethnicity percentage?

Search census records as well as birth, marriage and death certificates. Determine your percentage of each nationality by dividing the percentage of your parents’ nationalities by two, your grandparents’ by four, great grandparents’ by eight, and so on.

## Can siblings share more than 50% DNA?

Can siblings share more than 50% of their DNA? Yes, siblings can theoretically share more than 50% of their DNA. This is not very common, however.

## Do you inherit 50 DNA from each parent?

After all, children inherit half of their DNA from each parent: 50 percent from mom (through an egg), and 50 percent from dad (through sperm).

## Can you have a larger ethnicity percentage than your parents?

It’s possible through recombinations to get a bit more than each parents. For example if each parent has 5% of say, Scandinavian, you could get 6 or 7% by inheriting different DNA segments of Scandinavian ancestry. But your total can never exceed your parents’ total.

## What percentage of my great grandparents am I?

Both of these sources do some complex math to figure out the chances that we share DNA with our ancestors, at many generation levels. So for a great, great, great grandparent, the probability that you haven’t inherited any DNA from them is 0.01%. Or in other words, a 1 in 10,000 chance.

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