Genetic Engineering Quiz

Modifying the arrangement of DNA bases is known as

• DNA replication

• genetic mapping

• genetic engineering

• gene therapy

Put the following steps of genetic engineering in order

• Extract specific gene sequence from cells

• Identify the sequences of bases in a DNA molecule

• Insert gene sequence in vector

• Make unlimited copies of DNA

Which enzyme is responsible for recognizing specific DNA sequences and cleaving the DNA at those sites?

• Restriction enzyme

• DNA Ligase

• DNA Polymerase

• Sucrase

Gel electrophoresis is a process used to

• separate out fragments of DNA by size

• separate out fragments of DNA by positive and negative charge

• keep recombinant plasmids together

• recombine DNA from different species

Explain how DNA fragments are separated by size during gel electrophoresis.

• Smaller fragments move faster and travel further

• Larger fragments move faster and travel further

_____ is a common laboratory technique used to make many copies of a particular gene.

• Polymerase Chain Reaction (PCR)

• Gel Electrophoresis

• DNA Sequencing

• Sanger Method

The following DNA fingerprint was produced after DNA was found in blood at a crime scene. Which suspect was most likely the criminal?

• Bob

• Sue

• John

• Lisa

The diagram shows DNA fingerprints from a daughter horse, the mother horse, and four possible fathers. Which horse is most likely the father?

• 1

• 2

• 3

• 4

Selective breeding involves the selection by humans of specific _______________.

• traits

• behaviors

• features

• characters

All of the following are examples of transgenic organisms except

• prokaryotes used to grow human insulin

• a mule

• plants that are genetically modified to be more nutritious

• glow in the dark lab rats