Forensic Chemistry Exam
4: Review &
Comprehensive Study
Guide
| Guaranteed success|
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, For a stain already determined to be blood, a criminalist gel diffusion
might use a _____ test to determine the species of the
blood, which employs the use of a natural polymer
known as "agar."
acid phosphatase An enzyme found in high concentrations that is secreted by the prostate gland
into seminal fluid
oligospermia an abnormally low sperm count
aspermia - no spermatozoa at all in seminal fluid
- aka the absence of sperm
- aka sterility in males
what is the best way to locate and characterize a perform the acid phosphatase color test
seminal stain?
when collecting ______ evidence from a sexual assault saliva
victim, it's recommended to use a swab moistened with
distilled water on a suspected area, following by a
second dry swab rotated over the same area and
packaged together.
what is the evidentiary purpose of taking a urine test to determine the presence of substances such as Rohypnol or GHB
from a SA victim quickly after the suspected
occurrence?
genes basic unit of heredity, consisting of a DNA segment located on a chromosome
chromosomes a threadlike structure in the cell nucleus composed of DNA, along which the
genes are located
locus the physical location of a gene on a chromosome
alleles any of several alternative forms of a gene located at the same point on a
particular pair of chromosomes
when mapping DNA, if a criminalist observes a short chromosome (Y-chromosome)
_____________, they know that the sex of the person is male.
polymerase chain reaction definition a technique for replicating or replicating a portion of a DNA strand outside a
living cell
short tandem repeat definition a region of a DNA molecule that contains short segments of 3-7 repeating base
pairs
4: Review &
Comprehensive Study
Guide
| Guaranteed success|
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, For a stain already determined to be blood, a criminalist gel diffusion
might use a _____ test to determine the species of the
blood, which employs the use of a natural polymer
known as "agar."
acid phosphatase An enzyme found in high concentrations that is secreted by the prostate gland
into seminal fluid
oligospermia an abnormally low sperm count
aspermia - no spermatozoa at all in seminal fluid
- aka the absence of sperm
- aka sterility in males
what is the best way to locate and characterize a perform the acid phosphatase color test
seminal stain?
when collecting ______ evidence from a sexual assault saliva
victim, it's recommended to use a swab moistened with
distilled water on a suspected area, following by a
second dry swab rotated over the same area and
packaged together.
what is the evidentiary purpose of taking a urine test to determine the presence of substances such as Rohypnol or GHB
from a SA victim quickly after the suspected
occurrence?
genes basic unit of heredity, consisting of a DNA segment located on a chromosome
chromosomes a threadlike structure in the cell nucleus composed of DNA, along which the
genes are located
locus the physical location of a gene on a chromosome
alleles any of several alternative forms of a gene located at the same point on a
particular pair of chromosomes
when mapping DNA, if a criminalist observes a short chromosome (Y-chromosome)
_____________, they know that the sex of the person is male.
polymerase chain reaction definition a technique for replicating or replicating a portion of a DNA strand outside a
living cell
short tandem repeat definition a region of a DNA molecule that contains short segments of 3-7 repeating base
pairs
