Rice University



FINGERPRINTSWhat causes fingerprints to be left behind when we touch things? Salt produced by our sweat glandsNatural sweats and oils in the skinMoisture in the atmosphereDust on the things we touchIAFIS is the FBI’s national fingerprint database. Criminologists often search the database for fingerprint matches. What does IAFIS stand for?Intelligent Automated Footprint Identification SystemIntelligent Authentic Fingerprint Index SystemIntegrated Automated Fingerprint Identification SystemIntegrated Auto Fingerprint Index SystemDuring fuming, the super glue heats up and attaches to _____ in the fingerprint.Human skinAmino acids and oilValleysFingerprint powderEvidence is usually placed in a superglue _____ when developing the fingerprints.ChamberTubeSlideTankDNA AND mtDNADNA (deoxyribonucleic acid) is the genetic material in our cells that controls what we inherit from our parents. Which of the following statements is true?Different parts of a person’s body have different DNA.A DNA profile contains 31 unique genetic markers (known DNA sequences).Except identical twins, no two individuals have the exact same DNA.Siblings have the same DNA, because they were born by the same parents.What system used by the FBI compiles DNA of known violent offenders from all over the nation and can be used to match DNA with a sample found at a crime scene?IAFISDNAWCODISCDDBA woman gets out of bed, watches TV, talks on the phone, pets her cat, and then goes shopping. Which object would be most useful in collecting the woman’s DNA sample? The TV The catThe phoneThe TV remoteDecide the correctness of the following statement:You can alter your DNA so it will appear to be different.True False394335406400ABCDEF00ABCDEFBelow is a diagram of a simplified human cell structure. Use this diagram to answer the following question. A mitochondrion is the site of energy production and contains copies of mitochondrial DNA. Which one is it in the diagram?ABCDEFWhich of the following statements is true?Mitochondrial DNA is as unique as nuclear DNA, so different people cannot have identical mitochondrial DNA.The shape of nuclear DNA is circular, while mitochondrial DNA is linear.In a cell, there are much more copies of mitochondrial DNA than nuclear DNA.Nuclear DNA is inherited from both parents, and so is mitochondrial DNAAccording to this family tree, which pair of people must have the same mitochondrial DNA? 3127375711200= male= female00= male= femaleJohn and Cathy are married. They have two children (Mark and Dianne) and three grandchildren (Kate, Ann and Mathew), as is shown in the family tree below.Mark and KateJason and MathewCathy and KateCathy and Ann Note: same mtDNA=Cathy, Mark, Dianne, Ann, MathewHAIR ANALYSISThe cuticle is the outside covering of a hair, and it has three different scale patterns. Which of the following pictures shows the cuticle scale that is found in a human hair? 153733516700500514351670050027946355270500 A B CABCWhat must be present in a hair sample to test for nuclear DNA?Follicular tagCuticleMedullaCortexJohn uses a microscope to exam hair samples from four different animals. Below is what he sees from each sample. Which one is most likely to be from a human? (picture source: http:// ) A B C DNote: A=dog, B=rabbit, C=rat, D=humanABCDFORENSIC ODONTOLOGYThere are various methods to document or preserve the bitemark on a victim. Which is NOT one of them?The tissue and skin of the bite site is frozen for future comparisons.The bitemark is photographed using different lighting effects.An L-shape ruler is used to document the measurements of the bitemark.The saliva left on the bitemark is collected for DNA analysis.The anterior teeth are the front-most teeth that usually produce a bitemark. What do the anterior teeth consist of?Bicuspids and molarsIncisors and canineCanine and BicuspidsIncisors and molarsPicture A below is likely to be a dog bite, and picture B is likely to be a human bite. Which statement is part of the reasoning for this judgment?108013510795002451735317500 A BThere are more teeth marks in picture B than in picture A.Picture B shows prominent and large canine teeth.The bitemark in picture A is larger than the one in picture B.The bitemark in picture A is oval shaped, while the one in picture B is roughly circular.When photographing a bitemark, what tool is commonly used to document the measurements of the bitemark?A coinAn ABFO NO. 2 scaleA tape measureA number tagYou have a photo of the bitemark on a victim and have identified a suspect. Below is a list of tasks you need to complete before you can decide if his/her teeth match the bitemark. What is the correct order to complete these tasks?A. Create a 3D cast of the suspect’s teethB. Compare the end product with the bitemark photoC. Take dental impression from the suspectD. Trace the outline of the teeth onto a transparent sheetACDBCDABDACBCADBTOXICOLOGYDoes the sample below contain chemical A?382333515494000To test if a sample contains chemical A, the examiner used a reagent that reacts with chemical A to produce an orange color. The picture on the right shows the results on the testing tray. Use this information to answer the following questions.YesNoWhat does “negative control” mean in this test?It means nothing is added in that well.It means a sample that purposely does not contain chemical A.It means a sample that purposely gets a negative charge.It means the amount of chemical A is controlled to be small.What should be used as a positive control?WaterCyanideChemical AExtraction bufferWhen is the victim’s sample taken for a toxicology screen?At the crime sceneAt the MorgueAfter a suspect is identifiedNeverA toxicologist is responsible for:Examining the organs during an autopsyTesting blood and bodily fluids for poisoningInvestigating whether a person died of natural causesCollecting fingerprints from the crime sceneOTHERSA medical examiner autopsy does NOT require_______________.Evidence collectionIdentification of the bodyPhotographic documentationPermission from the next-of-kinWhich chemical can be used to detect blood, even if it’s been wiped from a surface? NinhydrinCyanideCO2LuminolBlunt force trauma refers to: Injures cased by sharp objects.Drowning and asphyxiation.Fractures, broken bones and external bruising.Diseases of the heartIdentifying a specific person can best be achieved by____________.Hair analysisBitemark analysisFingerprint analysisShoeprint analysisA special type of microscope that allows two separate objects to be viewed simultaneously in the same ocular is known as a ______________.Compound microscopeComparison microscopeDissecting microscopePolarized light microscope ................
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