In the past 20 years, forensic biology has grown from a relatively minor forensic sub-discipline to become a crucial part of the work of any forensics lab, and one that gets the lion’s share of media attention. We’re talking, of course, about DNA analysis, a forensic specialty that did not exist until 20 years ago.
DNA analysis is based on the fact that every living thing is composed of cells, all of which contain DNA in some form. Broadly speaking, there are two types of DNA.
Nuclear DNA (nDNA) is found in the nucleus of eukaryotic organisms, which include humans and other animals, plants, fungi, and protists. With the exception of protists, some of which reproduce asexually, eukaryotes transmit DNA to their descendants ...
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