Y Chromosome Test

Y Chromosome Test


Y chromosome testing is done when two or more male individuals wish to confirm whether they share the same father or if they have a common paternal relative. This test, carried out exclusively between males, is a highly accurate and conclusive sibling test.


About the Y chromosome

Due to New York State Department of Health regulations, we cannot offer any peace of mind paternity or relationship tests to New York residents. However, we can offer legal paternity and relationship tests in New York. 

Males from the same male parental line will also share the same Y chromosome profile.  Male offspring inherit their Y chromosome unchanged from their father and they will in turn, pass on the same Y chromosome if they themselves have male offspring. A female cannot directly carry out a Y chromosome test because she has no Y chromosome. However, she can still trace her paternal ancestry and carry out a Y chromosome test indirectly by asking any male biological relative to take the test on her behalf.  Once the DNA samples are received at the laboratory, you will receive your comprehensive DNA analysis report in 5-7 working days.

Note: We can only guarantee standard result turnaround time when testing takes place solely using oral swab samples. Using a discreet sample for your test may lead to an increase in turnaround time.

When would a Y chromosome test be needed?

  • Y chromosome testing can be used in cases requiring a paternity test in which the alleged father is nowhere to be found or will not submit to the test.  In such instances, we can test a direct male relative of the alleged father with the DNA of another male to confirm whether the untested alleged father is in fact related to the person claiming to be a biological relative.
  • Two siblings wishing to confirm whether or not they have the same biological father can do so by doing a Y chromosome test.
  • Adopted children looking for either their real biological fathers or male family members can use a Y chromosome test in order to include or exclude potential fathers/relatives.

About your Y test

Once your samples are received at the laboratory they will be made available to our clients within just 5-7 business days.  Your DNA test report will show whether the Y chromosome profiles match, thereby confirming or excluding a biological relationship.



A Y chromosome test will only tell you whether two people have the same Y chromosome profile which confirms they have the same paternal lineage.


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Upon receiving your order, a patient representative will contact you to confirm your test details and your pre-test consultation appointment. Upon approval, a kit will be shipped to your home with a prepaid return label. Kit can be completed and returned within the same day. Upon receipt of your sample at the lab, test processing takes approximately 4 weeks. Your results will be available via your Vita portal. Download a copy for your records, and share with your health care providers.
We understand that medical decisions, and learning sensitive information like risks to certain diseases can be a tough decision. Should you change your mind, a refund is available, minus any fees for processing, consultation, or kit materials that have been completed. Contact customer support for assistance.