Are there many zoonoses? Altogether, well over a hundred diseases are capable of being transmitted from animals to humans, although most are rare in North America. All domestic animals including dogs, cats, birds, horses, cows, sheep, goats and rabbits can potentially spread diseases to people, but rarely does this actually occur.
Why It Is Done. DNA fingerprinting is done to: 1  Find out who a person's parents or siblings are. 2  This test also may be used to identify the parents of babies who were switched at birth. 3  Solve crimes (forensic science).NA fingerprinting is done to: 1  Find out who a person's parents or siblings are. 2  Solve crimes (forensic science). 3  Identify a body.
DNA profiling (also called DNA fingerprinting, DNA testing, or DNA typing) is a forensic technique used to identify individuals by characteristics of their DNA.he system of DNA profiling used today is based on PCR and uses simple sequences or short tandem repeats (STR). This method uses highly polymorphic regions that have short repeated sequences of DNA (the most common is 4 bases repeated, but there are other lengths in use, including 3 and 5 bases).