E. Mechanical receptors are located in the lungs, upper airways, chest wall, and diaphragm which prevent overdistension of the lungs. F. Respiratory defense mechanisms: 1. filtration of air by the upper airways 2. mucociliary clearance system -which is decreased by infection, atropine, alcohol, dehydration,
However, one. of the most challenging aspects of forensic DNA analysis is the. interpretation of low-level testing results where it is difï¬cult to. distinguish reliably between noise and signal from template DNA. that is associated with an evidence sample (3,4).
DNA Testing: DNA (acid) is the genetic blueprint that determines a person's biological characteristics. DNA is located in the cell of the human body. Upon conception, a child inherits one half of its DNA from its mother and one half from its father.his unique combination of DNA will match that of the biological parents of the child. For the test to take place, cheek cells are removed with a swab from the mouth of the mother, the child and the alleged father. In the laboratory, these cells are removed from the swab and tested.