Fingerprints what causes fingerprints to be left behind when we touch things?

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CSI: The Experience Web Adventures ( Case Two Quiz


What causes fingerprints to be left behind when we touch things?

  1. Salt produced by our sweat glands

  2. Natural sweats and oils in the skin

  3. Moisture in the atmosphere

  4. Dust on the things we touch

IAFIS is the FBI’s national fingerprint database. Criminologists often search the database for fingerprint matches. What does IAFIS stand for?

  1. Intelligent Automated Footprint Identification System

  2. Intelligent Authentic Fingerprint Index System

  3. Integrated Automated Fingerprint Identification System

  4. Integrated Auto Fingerprint Index System

During fuming, the super glue heats up and attaches to _____ in the fingerprint.

  1. Human skin

  2. Amino acids and oil

  3. Valleys

  4. Fingerprint powder

Evidence is usually placed in a superglue _____ when developing the fingerprints.

  1. Chamber

  2. Tube

  3. Slide

  4. Tank


DNA (deoxyribonucleic acid) is the genetic material in our cells that controls what we inherit from our parents. Which of the following statements is true?

  1. Different parts of a person’s body have different DNA.

  2. A DNA profile contains 31 unique genetic markers (known DNA sequences).

  3. Except identical twins, no two individuals have the exact same DNA.

  4. 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?

  1. IAFIS

  2. DNAW

  3. CODIS

  4. CDDB

A 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?

  1. The TV

  2. The cat

  3. The phone

  4. The TV remote

Decide the correctness of the following statement:

You can alter your DNA so it will appear to be different.

  1. True

  2. False

A mitochondrion is the site of energy production and contains copies of mitochondrial DNA. Which one is it in the cell below?

  1. A

  2. B

  3. C

  4. D

  5. E

  6. F

Which of the following statements is true?

  1. Mitochondrial DNA is as unique as nuclear DNA, so different people cannot have identical mitochondrial DNA.

  2. The shape of nuclear DNA is circular, while mitochondrial DNA is linear.

  3. In a cell, there are much more copies of mitochondrial DNA than nuclear DNA.

  4. Nuclear DNA is inherited from both parents, and so is mitochondrial DNA

According to this family tree, which pair of people must have the same mitochondrial DNA?

John 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.

  1. Mark and Kate

  2. Jason and Mathew

  3. Cathy and Kate

  4. Cathy and Ann Note: same mtDNA=Cathy, Mark, Dianne, Ann, Mathew


The 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?


  1. A

  2. B

  3. C

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