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This document provides guidance for Y-STR analysis delivered into the criminal justice system in England and Wales as it applies to profile comparison and kinship testing. It does not apply to ancestry testing.
Published 26 March 2021 Last updated 25 August 2023 +show all updates
Guidance updated with changes to formatting, structure and naming system, in line with requirements under the Forensic Science Act 2021. Accessible version of guidance added.
