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Exam 15: Forensic Serology

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Question 1

True/False

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Biological evidence should be packaged in plastic or airtight containers.

A) True
B) False

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Question 2

Multiple Choice

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During the production of monoclonal antibodies, which step is NOT followed?

A) Inject an animal with the antigen of interest.
B) Remove the animal's spleen cells.
C) Fuse the spleen cells to malignant blood cells.
D) All of the above are followed.

E) B) and D)
F) A) and C)

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D

Question 3

True/False

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Most human cells contain 46 chromosomes, arranged in 23 mated pairs.

Information about when the victim last had consensual sex is not useful for evaluating the significance of findings during a possible rape examination.

PSA (p30) is a:

Aspermia is an abnormally low sperm count.

A(n)________ is the particular combination of genes present in the cells of an individual.

Evidence to substantiate that a rape occurred could include:

Which blood components are directly pertinent to the forensic aspects of blood identification?

The most common color test for bloodstains is Luminol.

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 -Aspermia

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 -Antigen

One of the most frequent uses of EMIT in forensic laboratories has been for screening the urine of suspected ________ users.

A(n)________ is a protein in the blood serum that destroys or inactivates a specific antigen.

People with type O blood have both A and B antigens on their red blood cells.

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 -Genotype

Where are antibodies found?

What is true about monoclonal antibodies?

In which phenotype pairings can the genotypes of the individuals be directly known?

Which of the following statements is FALSE?