DNA Fingerprinting

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

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

Bob was found dead in his home.  Crime scene analysis showed signs of a struggle.  Blood was collected from the crime scene, the victim, and three suspects.  Which suspect likely committed the crime? 

• Sue
• Lisa
• John
• None of these

Which male is the father of this child?

• Male 1
• Male 2
• Neither could be the father
• Either could be the father

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Whose blood was found at the crime scene?

• John
• Lisa
• Bob
• Sure

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-LS4-1

Which suspect is likely guilty?

• Suspect #1
• Suspect #2
• Suspect #3

Tags

NGSS.HS-LS3-2

Which is the likely 'sire' (dog's dad) of the given puppy?

• Sire A
• Sire B
• Sire C
• Sire D

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which male is the likely father?

• Male 1
• Male 2

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which suspect’s DNA matches the felon’s DNA left at the crime scene?

• Suspect 1
• Suspect 2
• Suspect 3