ANTH 246 WEEK 5 ACTUAL TEST REVIEW-ALL ACCURATELY SOLVED
Serology
Study of bloodstains left at crime scenes. Most forensic labs have abandoned them in favor
of immediate DNA examination, but still have an important place in modern forensic lab.
True
(T/F) DNA analysis is far more specific than serology.
Proteins
Serology identifies ________ associated with certain body fluids.
Proteome
The entire set of proteins expressed by a given cell or group of cells.
Presumptive Test
The first step in serological analysis. Highly sensitive to but not specific for a particular
substance. EX: color test indicates a stain is blood, but not what type of blood. Some false-
positive results may occur, but they are accepted, unlike false-negatives.
Confirmatory Test
, Follows a presumptive test. Tests positive for the substance in question and only that
substance. In this case, false negatives are acceptable so long as there are no false
positives. Generally performed in a laboratory instead of a field because they require more
controlled conditions.
Blood
A tissue composed of several types of cells in a matrix called a plasma.
Erythrocytes
Red blood cells, roughly 5 million exist in each liter of blood. Purpose is to transport oxygen
and carbon dioxide throughout the body via the circulatory system.
Hemoglobin
Respiratory pigment of many animals. Heme groups contain iron and have the ability to
bind with oxygen, a reversible process that allows for respiration.
Blood Group
Class of antigens produced by allelic genes at one or more loci and inherited
independently of other genes.
ABO Blood Group
First classified by Karl Landsteiner in 1900. A B and O refer to antigens on red blood cells.
Serology
Study of bloodstains left at crime scenes. Most forensic labs have abandoned them in favor
of immediate DNA examination, but still have an important place in modern forensic lab.
True
(T/F) DNA analysis is far more specific than serology.
Proteins
Serology identifies ________ associated with certain body fluids.
Proteome
The entire set of proteins expressed by a given cell or group of cells.
Presumptive Test
The first step in serological analysis. Highly sensitive to but not specific for a particular
substance. EX: color test indicates a stain is blood, but not what type of blood. Some false-
positive results may occur, but they are accepted, unlike false-negatives.
Confirmatory Test
, Follows a presumptive test. Tests positive for the substance in question and only that
substance. In this case, false negatives are acceptable so long as there are no false
positives. Generally performed in a laboratory instead of a field because they require more
controlled conditions.
Blood
A tissue composed of several types of cells in a matrix called a plasma.
Erythrocytes
Red blood cells, roughly 5 million exist in each liter of blood. Purpose is to transport oxygen
and carbon dioxide throughout the body via the circulatory system.
Hemoglobin
Respiratory pigment of many animals. Heme groups contain iron and have the ability to
bind with oxygen, a reversible process that allows for respiration.
Blood Group
Class of antigens produced by allelic genes at one or more loci and inherited
independently of other genes.
ABO Blood Group
First classified by Karl Landsteiner in 1900. A B and O refer to antigens on red blood cells.
