How Much DNA Do You Share?

Have you ever wondered just how much DNA you share with a specific family member? DNA Services Unlimited is here to help you out! Below you’ll find a list that summarizes an approximate percentage of DNA shared for different types of relationships.

Identical Twins: 100%

Full Siblings: 50%

Parent & Child: 50%

Aunts & Uncles with their Niece & Nephews: 25%

Grandparent & Grandchild: 25%

Half Siblings: 25%

1st Cousin: 12.5%

2nd Cousin: 6.25%

And so on and so forth as you continue to go down the line…family-tree


This drug test form must be completed before check out. The info is required in order to create your donor pass. A donor pass must be presented at the collection site with a valid photo ID. Once the form is complete, you will be able to proceed and check out. Your donor pass will be emailed to you, in most cases same day, or within 24 hours. ALL DONOR PASSES ARE VALID FOR (7) DAYS. Collection site is selected based on the zip code you provided.

Once the order is submitted there are NO REFUNDS. You can only request an extension or drug test credit in case of cancelation.

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