Which of the following is used to differentiate race in seminal stains?: (A) Serum alkaline phosphatase, (B) MHS 5, (C) Peptidase A, (D) Choline
Answer is C. Enzyme Typing: Enzyme markers commonly used in genetic profiling of semen are phosphoglutamase (PGM) and peptidase (Pep A). Pep A is polymorphic in many racial groups and is commonly employed as a racial discriminator. PGM is polymorphic in all populations and can be subdivided into 10 distinct subgroups.