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Every human has a unique sequence of DNA, but a lot of it is the same, as that is essential to our survival. The portion that is unique, however, can be mapped out. Half of it will be from your father and the other half from your mother. If the portion that is unique can be shown to be 50% like someone else, you are related to that person by one generational step (parent-child). In the same way, you can determine your grandfather, who should have 25% similarity. Mutations occur, but these are generally small enough that they do not affect a paternity test. It is the same mutations, however, that have built up over thousands of generations of your ancestors, resulting in the unique DNA segments your family has in the first place. On average, each human being's genome contains about 128 mutations at birth (out of 3.2 billion base pairs). For more information, see the page link, further down this page, listed under "Related Links."

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Q: How does a paternity test work?
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Related questions

Can a paternity test be wrong?

my qustion is can paternity test be wrong


Can i get my farther name on the birthcertificate?

I believe that you will have to have a paternity test and there is paper work that has to be done.


Does identigene paternity test really work?

Yes! IDENTIGENE paternity tests are 100% accurate with probability of paternity for not excluded results are above 99%. IDENTIGENE is a highly accredited laboratory.


What can a paternity test do for you?

A paternity test can determine if there is a parent-child relationship between two people. A paternity test would give genetic proof of that relationship.


Can you have a paternity test while?

see link below "Can you have a paternity test while you are pregnant?"


Paternity Test?

Test can do online


Where can I find paternity test services in Texas?

There are several options for a paternity test. You can try www.gtldna.net for a home test.


How do you find out the score of a paternity test?

There is no 'score' on a paternity test. the man is either NOT the father or he could be.


Can you take a paternity test if you are pregnant?

see link below "Can you have a paternity test while you are pregnant?"


Can you do a paternity test while pregnant?

see link below "Can you have a paternity test while you are pregnant?"


Does fathers name have to be on birth certificate for child to be able to draw his social security?

No. But the father's paternity must be established by a paternity test.No. But the father's paternity must be established by a paternity test.No. But the father's paternity must be established by a paternity test.No. But the father's paternity must be established by a paternity test.


Can you haean paternity test whl pregnant?

see link below "Can you have a paternity test while you are pregnant?"