Skip to main content

DNA Testing

Paternal Lineage YSTR Test

Y-STR analysis is intended to compare paternal-line DNA profiles among eligible participants. A shared profile does not by itself identify a specific father or degree of relationship.

About this service

This service is described as analyzing short tandem repeats on the Y chromosome to compare paternal-line profiles. Y-chromosome information passes along a paternal line, so a similar profile may be shared by multiple male-line relatives. The available listing does not establish the markers, validated method, sample process or statistical report. This is not a general ancestry, health or legal determination.

Service highlights

  • Intended for comparison of Y-chromosome STR profiles.
  • A result may indicate shared paternal-line ancestry, not a unique close relationship.
  • The assay and interpretation must be confirmed with the laboratory.

Who may consider it

  • Eligible participants with a defined paternal-line comparison question.
  • Genealogy researchers who understand that Y-STR results concern a direct paternal line and do not establish a complete family tree.

What to expect

Confirm current availability and quote, eligible participants, Y-STR markers, accepted sample and consent process, report interpretation and data handling. Verify any official-use requirements with the receiving authority.

Scope and limitations

The described scope is comparison of Y-chromosome STRs. The result cannot establish all kinship, uniquely identify a particular father among paternal-line relatives, diagnose health conditions or guarantee inheritance/legal acceptance.

Frequently asked questions

What does Y-STR analysis compare?

It compares selected Y-chromosome STR markers to assess paternal-line profile similarity; the exact markers and method must be confirmed.

What participants and report are required?

The service's current eligibility, sample and report requirements are not established; ask the laboratory before proceeding.

Does a match prove a specific father-child relationship?

No. Paternal-line relatives may share Y-STR profiles. Confirm current availability and quote, and do not treat a result as legal proof without authority review.