HBio DNA fingerprinting

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

• Bob

• Sue

• John

• Lisa

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Which suspect is likely guilty?

• Suspect #1

• Suspect #2

• Suspect #3

DNA fingerprinting works because

• Most genes are dominant
• All organisms contain RNA
• The most important genes are different among most people
• No two people, except identical twins, have exactly the same DNA 

Tags

NGSS.HS-LS3-2

DNA is recovered from a 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

What is the purpose of gel electrophoresis?

• helps cut DNA
• count the genes in DNA
• separates DNA based on size
• allows for an exact replicated organism

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

In gel electrophoresis, the largest DNA fragment will appear

• closest to the starting wells

• farthest from the starting wells

• three quarters away from the starting wells

• it depends on how many fragments there are

What is the function of the gel in Gel Electrophoresis?

• extract DNA from the liquid

• filter the DNA as it moves through the system

• buffer the DNA so it keeps moving

• charge the DNA so it will move to the opposite side of the system

Which DNA fragment bands move faster and farther in a gel electrophoresis? 

• there is no way to tell 
• the largest ones
• the smallest ones
• none of these

A pattern of DNA fragments made by cutting and separating the pieces of a person's unique DNA is called a(n) ______________ .

• DNA Fingerprint

• allele

• chromosome

• karyotype