PEP is intended for rare, one-time exposures -- not for repeated use. For people who are exposed to HIV on a regular basis, a more controversial approach is being studied: the use of HIV meds to prevent infection before exposure. Called PrEP, for pre-exposure prophylaxis, it is based on the common practice of using antiretrovirals to prevent HIV transmission in pregnancy.
Forensic methods to identify someone. have evolved from analyzing a personâs actual fingerprints (looking at the arches and. whorls in the skin of the fingertips) to analyzing genetic fingerprints. DNA fingerprinting. also is called DNA profiling or DNA typing. Although human DNA is 99% to 99.9%.
The two of you are identical twins. 2. List two situations where DNA fingerprinting is useful. DNA fingerprints can be used for determining a biological mother or father, identifying thesuspect of a crime, or clearing someone's name for a crime they were mistakenly accused orconvicted.