Biology 4.4: Biotechnology

A person has a harmful genetic mutation that causes them to produce a defective protein. How can gene therapy be used to help this person overcome the harmful effects of this mutation?

• Insert new, functional proteins that will replace the defective proteins.

• Insert new, functional genes that will remove the genetic mutation.

• Insert a corrected gene into the cell that codes for the functional protein.

• Insert a corrected, functional protein that will produce more functional proteins.

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Scientists have discovered a way to genetically engineer farm animals such as pigs and goats to produce desired proteins in their milk. The milk containing the protein could then be collected, the protein could be extracted from the milk, and then the protein could be given to people as medicine.

Why might a pharmaceutical company choose to use this technology to manufacture medicines?

• To improve the nutrition of the farm animals.

• To produce a more delicious milk product to sell at grocery stores.

• To improve the health of humans with genetic disorders.

• To improve the health of farm animals with genetic disorders.

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What biotechnology is best illustrated by this diagram?

• restriction enzymes

• cloning

• gel electrophoresis

• gene therapy

A company wants to breed a plant that produces more flowers and less thorns. To begin this project, the research team gathers five pure-breeding plants as shown in this table.

Which two strains should they cross to produce a plant that has the traits they desire?

• Strain 1 x Strain 2

• Strain 2 x Strain 5

• Strain 3 x Strain 4

• Strain 1 x Strain 4

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According to the diagram shown, which two animals are genetically identical?

• Pig A and Pig D

• Pig A and Pig B

• Pig B and Pig C

• Pig C and Pig D

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Which suspect matches that of the crime scene DNA?

• 1

• 2

• 3

• 4

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Which man is the actual father of the child?

• "Dad" 1

• "Dad" 2

• "Dad" 3

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Which suspect's DNA fingerprint matches that of the felon?

• S1

• S2

• S3

• None

Which suspect left the blood stain?

• Bob

• Sue

• John

• Lisa

DNA is recovered from a suspected 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

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