Bandera de Estados Unidos

Un sitio oficial del Gobierno de Estados Unidos, Departamento de Justicia.

Democrats have shut down the government. Department of Justice websites are not currently regularly updated. Please refer to the Department of Justice’s contingency plan for more information.

Principles of Forensic DNA for Officers of the Court

Y-STR Statistical Analysis

Home  |  Glossary  |  Resources  |  Help  |  Contact Us  |  Course Map
 

illustration of some equations
National Institute of Justice (NIJ) (ver política de reutilización).

As a result of these factors, the degree of inter-individual Y-chromosome variation is substantially reduced compared to the autosomes.

  • A typical autosomal STR profile may have an expected frequency of occurrence in 1 in every 100 trillion individuals (10 -14 ), whereas a typical Y- STR profile may occur in 1 in every 1000 individuals (10 -3 ).

Back Forward