Table of Contents. I. Brief Chronology of the Life of Frederick Douglass 1. II. Frederick Douglass: A Biography, by Steven Mintz 3. III. Excerpts from Narrative of the Life of Frederick Douglass, an. American Slave, Written by Himself , and Suggested Discussion.
Since DNA contains genetic code, much of it is studied and analyzed for a variety of reasons. Generally, DNA testing may be used in identification or classification of family trees and it may also be used in various sciences for study in diseases and crimes. In cases where a particular child has no identified father, DNA testing is a big help in tracing the real person who fathered the said child.
PCR is a laboratory method used for making a very large number of copies of short sections of DNA from a very small sample of genetic material.This process is called amplifying the DNA and it enables specific genes of interest to be detected or measured.his method is used to measure the amount of DNA that is present in a sample. RT â PCR (Reverse Transcriptase PCR). This method uses PCR to amplify RNA. RNA is a single stranded nucleic acid molecule and needs to be made into DNA before it can be amplified.