Translate Website | Traducir Sitio Web

Xavier Becerra ~ Attorney General

Y-Chromosome Short Tandem Repeat (Y-STR) Analysis and Typing

Y-Chromosome Short Tandem Repeat (Y-STR) Analysis and Typing

Class Code
Subject Area
R- Biology and DNA Program
Class Description 


This 2.5-day (20-hour) course (no laboratory section) will provide students with information on short tandem repeat (STR) typing of the Y chromosome and includes detailed lectures on: (1) The Y-chromosome: biology, genetics and evolution, (2) Development and internal validation of commercially available Y-typing kits and kit comparison studies, (3) population substructure considerations when typing for Y haplotypes, (4) statistics of Y haplotypes and their use as forensic evidence, (5) guidelines from the SWGDAM YSTR Subcommittee, (6) Y-STR interpretation guidelines, (7) review of actual case examples and court presentation of Y-STR evidence, (8) GeneMapper IDX software issues related to Y-STR typing, and (9) Y-STR databases. Each class is limited to 22 students.

Instructor Various Instructors
Teaching Methods
Classroom lectures and group/panel discussions (no laboratory work)
Students will be required to demonstrate their proficiency in a written test
SWGDAM specified classes: molecular biology, biochemistry and genetics. STR casework experience
Pre-course reading material may be assigned
Materials Fee
Tuition No cost to POST supported or State of California based Law Enforcement agencies. A 360.00 tuition fee will be required of all other public agency, private sector, or out-of-state applicants.
Course Contact
Neda Khoshkebari, (916) 695-1808, (916) 695-1800

Location Start Date

Click here to apply

If no classes are scheduled, you’ll be placed on a list that expresses your desire to attend this course.