Podcast
Questions and Answers
What is the main focus of DNA forensics?
What is the main focus of DNA forensics?
- Apprehending suspects in criminal investigations (correct)
- Tracking historical trends in mankind
- Identifying endangered species
- Resolving food-borne epidemics
In forensic cases, what is the purpose of matching a suspect with evidence?
In forensic cases, what is the purpose of matching a suspect with evidence?
- Assessing the suspect's blood type
- Linking the suspect to the crime scene (correct)
- Identifying the suspect's ancestral lineage
- Exonerating the suspect
Which of the following is NOT a potential source of biological evidence in forensic investigations?
Which of the following is NOT a potential source of biological evidence in forensic investigations?
- Semen
- Saliva
- Blood
- Fingerprint (correct)
What method was previously the most reliable for identifying individuals before the advent of DNA typing?
What method was previously the most reliable for identifying individuals before the advent of DNA typing?
What is the main purpose of paternity testing in DNA forensics?
What is the main purpose of paternity testing in DNA forensics?
How does DNA typing exclude suspects in a criminal investigation?
How does DNA typing exclude suspects in a criminal investigation?
Why are DNA fingerprints more stable and have more markers compared to the ABO system?
Why are DNA fingerprints more stable and have more markers compared to the ABO system?
Why are fingerprints useful in identifying contributors at a crime scene?
Why are fingerprints useful in identifying contributors at a crime scene?
How do identical twins differ in their fingerprints despite sharing the same DNA fingerprints?
How do identical twins differ in their fingerprints despite sharing the same DNA fingerprints?
Why do current DNA tests for forensic investigations not provide information on race or physical characteristics?
Why do current DNA tests for forensic investigations not provide information on race or physical characteristics?
How does the genome of each individual contribute to the uniqueness in DNA identification?
How does the genome of each individual contribute to the uniqueness in DNA identification?
How does DNA testing assist in differentiating between individuals?
How does DNA testing assist in differentiating between individuals?
Why is RFLP analysis not always possible in forensic cases?
Why is RFLP analysis not always possible in forensic cases?
What complicating factor arises in RFLP analysis when multiple individuals contribute to an evidentiary sample?
What complicating factor arises in RFLP analysis when multiple individuals contribute to an evidentiary sample?
Where do typically non-sperm cells in sexual assault evidence originate from in victims?
Where do typically non-sperm cells in sexual assault evidence originate from in victims?
What is the purpose of the differential extraction procedure in DNA analysis?
What is the purpose of the differential extraction procedure in DNA analysis?
What challenge arises in non-sexual assault evidence with body fluid mixtures that do not contain semen?
What challenge arises in non-sexual assault evidence with body fluid mixtures that do not contain semen?
Why does RFLP analysis require a greater amount of better quality DNA compared to newer STR PCR based techniques?
Why does RFLP analysis require a greater amount of better quality DNA compared to newer STR PCR based techniques?
