DNA Testing and Paternity Testing DNA Testing Services DNA Testing and Paternity Testing
Type of Sample for DNA Paternity Testing Paternity Testing
Initiate Test | Participants | Type of Samples | Procedure | How to Video | Understanding Results
Each person has a unique genetic profile ( save identical twins) and the cells of a given person, irrespective of tissue origin ( they may come from bone, muscle, blood etc) have the same DNA content. Therefore any type of sample/tissue can be used to generate a genetic profile.

The most efficient way to collect a DNA sample is through buccal swabs, as it is non-invasive, non traumatic, fast and a friendly way to obtain amounts of DNA sufficient to perform DNA tests. In the past blood used to be the common method for sample collection, whereas it can still be used, it does not have the just mentioned attributes of buccal swabs.

During sample collection, three buccal swabs (similar to Q-tips) are brushed gently (yet firmly) against the patient’s inner cheek; thru swabbing, epithelial cells shed from the inner cheek, adhere to the swabs. Then, DNA is extracted from these cells in the lab and used to carry out the test.

In the case of our Private Paternity Tests, buccal swabs can be collected in the privacy of one’s own home by using our FREE DNASwabTM DNA Collection Kit.

For Legal Paternity Test, an authorized third party must perform the sample collection to establish chain of custody as require by the court. If a legal test is needed, a sample collection appointment will be scheduled by our case consultant upon case setup.

Whenever a person can not be present for direct sample collection (ie: the person is deceased, missing or unwilling) other types of samples can be used, such us semen, hairs with roots, nails, blood stains, cigarette butts, toothbrushes etc. These samples are considered to be forensic samples, and while is not guaranteed (due to the nature, size and variability of these type of samples), they often contain enough DNA to obtain a partial or full genetic profile. Please contact us at 800-DNA-EXAM (800-362-3926) or click here to contact us before submitting a sample which we do not make reference to, as some samples may be unacceptable. Click here to explore details on Forensic Paternity Testing
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