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11 Cards in this Set
- Front
- Back
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Forensic Biology
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refers to the preliminary examination of biological evidence in blood transfer and sexual assault cases, much of which will go on to be analyzed for DNA; also sometimes used to refer to sub disciplines like forensic botany
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Forensic Serology
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Refers to the preliminary examination and genetic typing of biological evidence in blood transfer and sexual assault cases before DNA analysis was available.
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Blood Cells
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Refers collectively to the red blood (erythrocytes) and to all the categories of white blood cells (lymphocytes, monocytes, basophils, neutrophils, and eosinophils).
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Serum
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The straw colored liquid portion of blood remaining after whole blood has been allowed to clot
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Anticoagulant
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A chemical substance, such as EDTA or sodium citrate, which, when added to whole blood, prevents it from clotting.
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Plasma
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When treated with anticoagulant, the straw colored liquid portion of blood after the cells have settled.
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Known Control
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A specimen from a known source
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Alibi Control
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A specimen obtained from a known source that might be the source of the evidence
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Blank Control
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a clean sample containing no specimens, used to ensure that the test is working properly
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Substratum comparison specimen
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A sample of the material or surface on which biological evidence is deposited.
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Contamination
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Refers to unintended, potentially unrecognized, biological evidence specimen, which could cause difficulty in interpreting the results of some tests under some circumstances
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