Name any five sub-disciplines of forensic science. For one of the sub-discipline
ID: 282796 • Letter: N
Question
Name any five sub-disciplines of forensic science. For one of the sub-disciplines name a famous case that utilized this discipline and how the discipline impacted the case.
What is the difference between a presumptive test and a confirmatory test?
Name a presumptive test for the presence of blood, semen, saliva, urine, and feces.
Why would you perform presumptive serology tests? Why not send everything straight to DNA?
Should all persons pulled over and arrested for either DUI or DWI be required to submit to both blood alcohol and drug testing? Why or why not? VI. What is the ACE-V fingerprint analysis method?
Do you think fingerprint analysis should be uniform throughout the country?
Assuming the crime scene technicians are collecting prints from evidence at a crime scene that includes evidence to be analyzed with DNA, what types of concerns would you have with using fingerprint powders and brushes?
Pick any one presumptive test and tell the class how you would explain your results to a jury and why you are confident in your results being an indication of the body fluid being tested.
Explanation / Answer
1) The sub-disciplines of forensic sciences are listed below,
2) Finger prints has been used by forensic experts since centuries in the identification of individuals. No two individuals even identical twins have the same finger print and it is therefore an important tool in the identification of criminals.
3) Presumptive test is just a screening test. The results of presumptive test are confirmed by confirmatory test. For example, pap smear is used as a presumptive test for cervical cancer whereas histological examination of cervical tissue is confirmatory test.
4) Presumptive test for the samples are given below,
Blood - hydrogen peroxide test
Semen - acid phosphatase test
Saliva - presence of amylase activity
Urine - urease test, jaffes test
Faeces - urobilinogen test
Please post other questions separately.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.