The Y-Chromosome DNA Test, or Y-STR DNA test, can help male relatives to establish if they share a biological father or common paternal line. The Y-Chromosome is passed on virtually unchanged through the paternal line and therefore can be used to establish if a relationship exists. A Y-Chromosome Test may be suitable if two males are wishing to confirm they share the same father, but cannot undertake Paternity Testing.
The Y-Chromosome DNA Test compares genetic markers on the Y-Chromosome of the two males tested to confirm they share a common paternal line. As all males from the same paternal line will have the same Y-Chromosome, the results from this DNA test will confirm if the individuals share a Y-Chromosome but not the exact relationship between the males tested. For example, a son may share the same Y-Chromosome with his father, grandfather and uncle. You will need to infer the relationship from the results of the tests and the alleged relationship between tested individuals.
Samples can be collected by the individuals to be tested themselves, at home. Paternity for Life uses mouth swabs for a simple and painless collection process. Upon receiving your application and payment, Paternity for Life will send a collection kit to your nominated address. This kit will contain everything you need to collect the samples, along with clear instructions on how to do so. Once the samples have been collected, they are then returned to us in the supplied return envelope.
Results will be available within 14 – 21 working days, from when we receive your samples at our laboratory. Results will only be sent to the parties being tested (or their legal guardian), to the email addresses provided at time of sample collection. A hard copy of your results can also be arranged (additional fees apply).
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