Choosing the right paternity test
Please choose the type of testing carefully based on your specific need to avoid having to order a retest in the future.
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Understanding your test results
A child has two sets of genetic markers, one from his or her father and one from his or her mother. In evaluating a paternity case, one first looks at what the mother and child have in common. The genetic marker that is left over in the child must come from the biological father. If the alleged father has a matching genetic marker, he is not excluded from paternity. If he does not have a matching genetic marker, he is excluded from paternity in that system.
EXAMPLE (A)
|
Mother |
Child |
Alleged Father |
|
Allele |
Allele |
Allele |

EXAMPLE (B)
|
Mother |
Child |
Alleged Father |
|
Allele |
Allele |
Allele |






