Q. Which presumptive test for blood uses a “Chemiluminescent” reaction?
Answer: Luminol or BlueStar.
Q. “Precipitin Test” is used to determine?
Answer: If a blood sample is of human or animal origin.
Q. What is “Next Generation Sequencing” (NGS)?
Answer: A modern DNA technology that allows for sequencing entire genomes rapidly.
Q. In forensic entomology, what is “PMI”?
Answer: Post-Mortem Interval (The time elapsed since death).
Q. Which stage of the blowfly life cycle is most useful for calculating PMI?
Answer: The Pupal stage or the oldest Larva (maggot).
Q. What is “Vitreous Humor” and why is it sampled in toxicology?
Answer: Fluid from the eye; it is resistant to putrefaction and useful for glucose/electrolyte testing after death.
Q. What is “DNA Methylation” analysis used for?
Answer: To determine the age of a person from a biological sample.
Q. Which test is used for the detection of “Fecal Material”?
Answer: Edelman’s Test (detects Urobilin).
Q. What is “Allelic Dropout”?
Answer: Failure of a DNA allele to be amplified during PCR, usually due to low template DNA.
Q. What is “Haplogroup” in the context of Y-DNA?
Answer: A group that shares a common ancestor, useful for tracing ethnic origins.
Set 4
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