160 WORDS MINIMUM WITH AT LEAST ONE REFERENCE. Serology is

160 WORDS MINIMUM WITH AT LEAST ONE REFERENCE.

Serology is the study of biological fluids, not DNA. In certain cases, such as sexual assaults, the knowledge of what type of biological fluid was found can be important in reconstructing a case. For your post, select a biological fluid (blood, saliva, semen, etc.) and explain one of the tests used for for identifying it’s presence.