DNA and Forensics

Which of the following contain molecules of DNA? Choose all that apply.

• Saliva

• Blood

• Hair

• Fragments of Skin

Tags

NGSS.MS-LS3-1

What term is used to describe the shape of a DNA Molecule?

• Triple Spiral

• Double Helix

• A Tilted Stair Case

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine

• adenine, thymine, cytosine, and guanine

• adenine, thymine, cytosine, and gylcerol

• adenine, thymine, cytosine, and glucose

Which suspect should be charged with the crime?

• Suspect 1

• Suspect 2

• Suspect 3

• None of these suspects

How do scientists cut DNA into smaller strands?

• restriction enzymes
• scissors
• ligase
• agarose

Which two bear species are most closely related?

• Bear 1 and Bear 2
• Bear 1 and Bear 3
• Bear 2 and Bear 3
• There’s no way to tell

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

The computerized database used to store DNA information is: 

• AFIS
• NIBIN
• CODIS
• PDQ

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