Forensic Science

True or false: the techniques used in forensic science can ONLY be used to solve crimes.

• True

• False

Match the type of evidence with the technique that could be used to analyze it.

• Medication prescribed to the victim

• Ondontology

• Bite mark on a ham sandwich

• DNA analysis

• An ink stain on fabric

• Fingerprint Analysis

• Spit

• Chromatography

• an arched thump print

• Toxicology

Chromatography separates the particles of mixtures based on their what?

• Color

• Size

• Smell

• Charge

Reorder the following

• Amplify DNA with PCR

• Obtain DNA

• Gel electrophoresis

• Cut DNA with restriction enzymes

Gel electrophoresis separates DNA strands based on their what?

• Length

• Positive charge

• Neutral charge

• Solubility

Match the toxicology test to what substances it tests for

• Soluability

• Contains sugar

• Benedict's Solution

• Contains starch

• Iodine

• Dissolves with water

True or false: In chromatography, the larger particles in a substance will travel further on the paper strip.

• True

• False

What charge does DNA have?

• Positive

• Negative

• Neutral

• Awesome

Which individual's DNA best matches the blood sample in this gel?

• Jenny

• Bob

• Mike

• Lisa

Tags

NGSS.HS-LS3-2

If you analyzed blood at a crime scene, you'd be analyzing a _____________ mixture.