Exam 15: Forensic Serology

Polyclonal antibodies are more useful than monoclonal antibodies for the forensic scientist.

One of the most frequent uses of the EMIT technique in forensic laboratories has been for screening the urine of suspected marijuana smokers.

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)A protein that destroys or inactivates a specific antigen B)An abnormally low sperm count C)The liquid that separates from the blood when a clot is formed D)The physical manifestation of a genetic trait such as shape, color, and blood type E)A structure in the cell nucleus composed of DNA, along which the genes are located F)A substance that stimulates the body to produce antibodies against it G)The basic unit of heredity, consisting of a DNA segment located on a chromosome H)The clumping together of red blood cells by the action of an antibody I)The male sex chromosome J)An enzyme found in high concentration in semen K)The female sex chromosome L)The fluid portion of unclotted blood M)Any of several alternative forms of a gene located at the same point on a particular pair of chromosomes N)The absence of sperm cells in semen O)The particular combination of genes present in the cells of an individual -Agglutination

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)A protein that destroys or inactivates a specific antigen B)An abnormally low sperm count C)The liquid that separates from the blood when a clot is formed D)The physical manifestation of a genetic trait such as shape, color, and blood type E)A structure in the cell nucleus composed of DNA, along which the genes are located F)A substance that stimulates the body to produce antibodies against it G)The basic unit of heredity, consisting of a DNA segment located on a chromosome H)The clumping together of red blood cells by the action of an antibody I)The male sex chromosome J)An enzyme found in high concentration in semen K)The female sex chromosome L)The fluid portion of unclotted blood M)Any of several alternative forms of a gene located at the same point on a particular pair of chromosomes N)The absence of sperm cells in semen O)The particular combination of genes present in the cells of an individual -X chromosome

Paternity testing is done involving a woman with type AB blood who has accused a man with type B blood of fathering her child who has tested AB. What can be determined in this case?

EMIT is NOT a(n):

________ transport oxygen from the lungs to the body tissues and carry carbon dioxide back to the lungs.

Three blood samples are exposed to the antiserums shown below with the given reactions. Based on these results, determine the ABO/Rh blood type of each sample.

Monoclonal antibodies bind to ________ antibody site(s).

If blood is found to have both A and B antigens, it is typed as:

Which type of cells are NOT contained in plasma?

The presence of prostate specific antigen (PSA)or p30 is useful for identifying a sample stain containing semen.

A stain can tentatively be identified as blood by:

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)A protein that destroys or inactivates a specific antigen B)An abnormally low sperm count C)The liquid that separates from the blood when a clot is formed D)The physical manifestation of a genetic trait such as shape, color, and blood type E)A structure in the cell nucleus composed of DNA, along which the genes are located F)A substance that stimulates the body to produce antibodies against it G)The basic unit of heredity, consisting of a DNA segment located on a chromosome H)The clumping together of red blood cells by the action of an antibody I)The male sex chromosome J)An enzyme found in high concentration in semen K)The female sex chromosome L)The fluid portion of unclotted blood M)Any of several alternative forms of a gene located at the same point on a particular pair of chromosomes N)The absence of sperm cells in semen O)The particular combination of genes present in the cells of an individual -Serum

The sensitivity of the Takayama and Teichmann crystal tests for the identification of bloodstains is ________ the sensitivity of the Kastle-Meyer color test for bloodstain identification.

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)A protein that destroys or inactivates a specific antigen B)An abnormally low sperm count C)The liquid that separates from the blood when a clot is formed D)The physical manifestation of a genetic trait such as shape, color, and blood type E)A structure in the cell nucleus composed of DNA, along which the genes are located F)A substance that stimulates the body to produce antibodies against it G)The basic unit of heredity, consisting of a DNA segment located on a chromosome H)The clumping together of red blood cells by the action of an antibody I)The male sex chromosome J)An enzyme found in high concentration in semen K)The female sex chromosome L)The fluid portion of unclotted blood M)Any of several alternative forms of a gene located at the same point on a particular pair of chromosomes N)The absence of sperm cells in semen O)The particular combination of genes present in the cells of an individual -Oligospermia

What approximate percentage of the population is type B?

The clumping together of red blood cells by the action of an antibody is known as:

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)A protein that destroys or inactivates a specific antigen B)An abnormally low sperm count C)The liquid that separates from the blood when a clot is formed D)The physical manifestation of a genetic trait such as shape, color, and blood type E)A structure in the cell nucleus composed of DNA, along which the genes are located F)A substance that stimulates the body to produce antibodies against it G)The basic unit of heredity, consisting of a DNA segment located on a chromosome H)The clumping together of red blood cells by the action of an antibody I)The male sex chromosome J)An enzyme found in high concentration in semen K)The female sex chromosome L)The fluid portion of unclotted blood M)Any of several alternative forms of a gene located at the same point on a particular pair of chromosomes N)The absence of sperm cells in semen O)The particular combination of genes present in the cells of an individual -Y chromosome

The presence or absence of how many antigens determines an individual's blood type in the A-B-O system?