Gel Electrophoresis

What is a common misconception about genetics from childhood?

• Traits are inherited based on the strongest parent

• Babies are a blend of both parents' traits

• Only the mother's traits are inherited

• Genetics do not influence physical traits

What does gel electrophoresis separate DNA molecules based on?

• Size

• Color

• Shape

• Weight

What role do restriction enzymes play in gel electrophoresis?

• They amplify DNA

• They identify DNA

• They cut DNA at specific points

• They merge DNA fragments

What is the purpose of a DNA ladder in gel electrophoresis?

• To measure the gel

• To color the DNA bands

• To provide known fragment sizes for comparison

• To stabilize the gel structure

How can gel electrophoresis be used in crime scene investigations?

• To determine the time of the crime

• To compare DNA samples for a match

• To recreate the crime scene

• To identify the victim's DNA