DNA Fingerprinting

Mr. Jones was killed in a car accident.  Afterwards, a former girlfriend filed a paternity suit claiming that Mr. Jones was the father of her child, and thus she was entitled to the man’s estate.  Which sample of DNA would have to be from Mr. Jones if he were the child’s father? 

• 2
• 3
• 4
• 5

A boy moves to another country to live with his father.  Years later, the boy decides to move back to live with the woman who raised him.  Immigration officials suspected that the boy was the woman’s nephew, not her son, and therefore not legally entitled to residency.  Based on the DNA fragments, is it possible that she is the boy’s mother?

• Yes
• No

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

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

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