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Related Flashcards
Cards In This Set
| Front | Back |
 What does brown lividity indicate? |
 Nitrate or other poisoning. |
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What does bluish color lividity indicate? |
 Red blood cells in the body have given up their oxygen. |
 In what orifices of a decomposing body do insects lay their eggs? |
Nose, mouth, vagina, anus. |
 What can alter the process of rigor mortis? |
 -eternal and external temperatures -condition of body (diseases or advanced cancer) |
|
How can rigor mortis be overcome? |
If the extremity is forcefully bent or broken. |
 What happens to the body when found in water? |
Fat beneath the skin changes to waxy material (resembling soap) known as adipocere. |
 What does reddish color lividity indicate? |
Exposure to cold, carbon monoxide, or cyanide poisoning. |
 The term is used to describe the configuration of genes at a specific lotus is... |
Genotype |
 The substance that is found in a pattern injury caused by a bite mark which confirms saliva was present is... |
Amylase |
 What was the first DNA test discovered by Sir Alec Jefferys in 1984 called? |
Restriction Fragment Length Polymorphism (RFLP) |
 Why did RFLP become obsolete? |
-requires large sample sizes -took several weeks to perform-expensive |
|
What is the main limiting factor in PCR? |
When amplifying tiny samples, contamination is prevelant. |
|
How does RFLP work? |
Compares the sizes of fragments from a known reference and a crime scene sample in order to "match" two DNA samples. |
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Why is PCR the most powerful molecular biology technique developed to date? |
Numerous of copies of specific target DNA can be made in a short time. |
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What was an essential factor in developing the PCR technique? |
Finding an enzyme that could withstand the heat needed to unzip the two strands of the DNA double helix for replication without also breaking apart the enzyme itself. |
