# Distinguishing grandparent from uncle for 1,768 cM match?

## How many Centimorgans is an uncle?

How much DNA do you share with your aunt or uncle? A person will share between 1300 and 2300 centimorgans with their full aunt or uncle. Measured in percentages, we expect that an individual will share approximately between 19-33% of their DNA with these relatives.

## How many Centimorgans do half uncle share?

23andMe

Relationship Range in percentages Range in centiMorgans
Parent / child 50% ~3719 CM
Father / son (no X sharing) 47.54% ~3536 cM
Full sibling 38% – 61% 2826 – 4537 cM
Grandparent / grandchild; Aunt / uncle; Niece / nephew; Half siblings 17% – 34% 1264 – 2529 cM

## How do you know if a DNA match is maternal or paternal?

A Y-DNA test examines the genetic code located on the Y chromosome, which is only found in biological males. Since this chromosome is inherited exclusively from the father and never from the mother, the DNA analyzed on this type of test will give you information that is specific to the paternal line in your family.

## How many Centimorgans is a good match?

Centimorgans (cM) are units of genetic linkage between two given individuals. For example, if you share 1800 cM with an individual, that means you share around 25% of your DNA with them. A strong match will have around 200 cM or more.

## How much DNA do you share with uncle?

Aunts, uncles, nieces, and nephews

You share about 25 percent of your DNA with a biological aunt, uncle, niece, or nephew. Your aunt or uncle shares 50 percent of their DNA with your parent (their sibling), who shares 50 percent of their DNA with you.

## How much DNA do you share with aunt or uncle?

You share about 25% of your DNA with any aunt or uncle, shown in yellow. Your 25% shared DNA came from your grandparents. But here’s the really important part: ALL of the DNA that your aunt or uncle carries is your ancestors’ DNA too – even though you only match your aunt/uncle on 25% of their DNA.

## How does a half aunt show up on AncestryDNA?

Half-siblings, generally speaking, will show up in the “Close Family” category on Ancestry DNA. It is also possible for half-siblings to be placed in the “first cousin” category, since the categorization of our matches is based on the amount of shared DNA.

## How much DNA do you share with a grandparent?

around 25%

The percentage of DNA that you share with each grandparent is around 25%. It’s true there are some pieces of DNA that are not passed on evenly from all 4 grandparents. But they overall make up a very small percentage of your total DNA.

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