Questions from Crime and Investigation

Q: What type of packaging should NOT be used for biological evidence?

What type of packaging should NOT be used for biological evidence? Why? What type of packaging should be used instead for articles containing biological evidence?

Q: To determine the human or non-human origin of a blood

To determine the human or non-human origin of a blood sample, the forensic scientist needs antibodies for each species of interest. Briefly describe how antibodies capable of reacting are produced in...

Q: What is the difference between an antibody and an antigen? What

What is the difference between an antibody and an antigen? What happens when an antibody reacts with its specific antigen?

Q: The most widespread application of serology is the typing of whole blood

The most widespread application of serology is the typing of whole blood for its A-B-O identity. Why do these tests matter to the forensic scientist?

Q: An individual’s father has a genotype of Tt at one locus.

An individual’s father has a genotype of Tt at one locus. The mother has a genotype of TT. What are the possible genotypes for their child? Identify the likelihood of inheriting each specific genotype...

Q: What is the percentage of evidence evaluated in the crime lab that

What is the percentage of evidence evaluated in the crime lab that is drug-related? A) 25% B) 75% C) 60% D) 35% 2) The pattern and intensity of dependency on a drug does NOT depend on the: A) Cos...

Q: A forensic scientist is examining a pair of underwear with a suspected

A forensic scientist is examining a pair of underwear with a suspected seminal stain. What tests should she perform on the underwear? What does a positive reaction for each test indicate?

Q: What is CODIS? How is CODIS useful to forensic scientists?

What is CODIS? How is CODIS useful to forensic scientists?

Q: Describe the process of DNA replication. What is the importance of

Describe the process of DNA replication. What is the importance of DNA replication?

Q: List two advantages STRs have over restriction fragment length polymorphisms (RFLPs

List two advantages STRs have over restriction fragment length polymorphisms (RFLPs).