Forensics second semester final review

DNA in blood comes from:

• white blood cells
• platelets
• plasma
• red blood cells

How many STR markers/loci does the FBI use to identify criminals in America?

• 17
• 4
• 26
• 13

How many STR markers/loci does the FBI use to identify criminals in America?

• 17
• 4
• 26
• 13

For vWA marker/loci, Mom is 12,15 and Dad is 15, 17. What is a possible combination for the son?

• 12, 12
• 13,17
• 17, 17
• 15, 15

The purpose of PCR

• cutting DNA
• creating RFLPs
• amplifying/copy DNA
• reversing the charge of DNA

Which DNA strands move the fastest through the gel when the electricity is turned on?

• The long strands
• The short strands
• The medium strands
• They all move the same

Which tissue samples are used for DNA fingerprinting? 

• Hair with follicular tag
• Skin
• Blood 
• Any of the above

Which suspect’s DNA matches the felon’s DNA left at the crime scene?

• Suspect 1
• Suspect 2
• Suspect 3

How do scientists cut DNA into smaller strands?

• restriction enzymes
• scissors
• ligase
• agarose

DNA is found in what two organelles  

• Nucleus and Ribosomes
• Ribosomes and Mitochondria 
• Nucleolus and Golgi Body
• Nucleus and Mitochondria