DNA Forensics Problem Set 2

Problem 1: HLA-DQ alpha

A genetic locus that is analyzed in many forensic and paternity testing laboratories is the human leukocyte antigen known as HLA-DQ alpha. There are four major alleles at this locus known as 1, 2, 3, and 4. How many different genotypes are possible for these four alleles?

A. 8

B. 10

The possible genotypes are (1,1), (1,2), (1,3), (1,4), (2,2), (2,3), (2,4), (3,3), (3,4), and (4,4).

C. 12

D. 16

E. 24


The Biology Project
University of Arizona
Tuesday, August 20, 1996
Contact the Development Team

http://www.biology.arizona.edu
All contents copyright © 1996. All rights reserved.