Forensic Serology

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Forensic Serology Web Investigation. http://www.policensw.com/info/forensic/forensic6a.html 1. Barr Bodies are the nuclei in the cells of female tissues usually contained a distinctive drumstick - like structure which was rare in males. They are found in white blood cells and in the epithelial cells lining the mouth. They tell you the differences in chromosomes between males and females, and their appearance in blood of unknown origin is a basis for identifying it as from a female. 2. Two approaches to the investigation are of blood at a crime scene biological approach (serology) and a physics approach (blood splatter or bloodstain pattern interpretation). 3. The investigators first task in investigating suspicious stains is to…show more content…
DNA is extremely compelling. 3. DNA can be found in the nucleus of a cell. DNA that can be found around the house are in hairbrushes, skin, cells, and saliva. http://www.ornl.gov/sci/techresources/Human_Genome/elsi/forensics.shtml 1. Some examples of DNA use for forensic investigation is Identify potential suspects whose DNA may match evidence left at crime scenes Exonerate persons wrongly accused of crimes Identify crime and catastrophe victims Establish paternity and other family relationships 2. DNA identification can be quite effective if used intelligently. Portions of the DNA sequence that vary the most among humans must be used; also, portions must be large enough to overcome the fact that human mating is not absolutely random. 3. CODIS is the COmbined DNA Index System. The current version of CODIS uses two indexes to generate investigative leads in crimes where biological evidence is recovered from the crime scene. 4. The primary ethical concern about DNA databanking is privacy. Practicality is a concern for DNA sampling and storage. Who is chosen for sampling also is a concern Forensic Odontology Web…show more content…
There are 206 bones in the adult human skeleton. 2. Males and females have slightly different skeletons, including a different elbow angle. Males have slightly thicker and longer legs and arms; females have a wider pelvis and a larger space within the pelvis, through which babies travel when they are born. 3. A male skeleton weighs 12lbs. A female skeleton weighs 10lbs. http://www.anthro4n6.net/forensic/forensics/ 1. To determine a person’s race is to see the differences of their face features like the nose. 2. Age can be determined by using the “Tooth Eruption” table. Stature can be determined by using the osteometric board. 3. Inventory and profile, sex, race, age, stature, weight, estimating time of death, and the manner and cause of death can be determined from skeletal evidence. http://www.howstuffworks.com/body-farm2.htm 1. Forensic anthropology is the study and analysis of human remains for purposes of assisting a criminal investigation. 2. Forensic anthropologists provide information about the origin and identity of a body and the means and time of its

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