DNA & Electrophoresis

Based on these results whose blood was found in the blood stain at the crime scene?

• Bob

• Sue

• John

• Lisa

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.HS-LS3-2

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Which suspect is likely guilty?

• Suspect #1

• Suspect #2

• Suspect #3

DNA is recovered from a suspected dead soldier. Which Parents are the likely parents of the soldier?

• Parents C and D

• Parents E and F

• Parents A and B

• Parents G and H

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?

• DNA is negatively charged so attracted to the positive end of the unit
• DNA is positively charged to attracted to the negative end of the unit
• the agarose gel in negatively charged
• the agarose gel is positively charged