Genetically Modified Organisms Quiz

Why was golden rice genetically modified?

• To increase its growth rate

• To save millions of people in developing countries from vitamin A deficiency

• To change its color to gold

• To make it resistant to pests

Tags

NGSS.HS-ETS1-1

What is the source of the gene that was inserted into the rice genome to produce golden rice?

• Bacteria

• Daffodils

• Green leafy parts of rice

• Soil fungi

What concerns have been raised about GMOs (genetically modified organisms) like golden rice?

• Concerns over the taste of GMOs

• Concerns over the safety of GMOs

• Concerns over the color of GMOs

• Concerns over the cost of producing GMOs

What is the term used for the ends of the spliced gene that are designed to be easily joined with another piece of DNA?

• Blunt ends

• Sticky ends

• Smooth ends

• Sharp ends

What is the role of the restriction enzyme in gene splicing?

• It joins the genes together.

• It cuts the DNA at specific sites.

• It replicates the DNA.

• It transports the gene into the cell.

What is the circular piece of DNA inside the bacterium called?

• Chromosome

• Plasmid

• Nucleoid

• Ribosome

What particular gene is found in this bacterial plasmid used to make Golden Rice and what is its function?

• Vitamin A gene, to produce vitamin A

• Tumor inducing gene, to induce tumors

• Restriction gene, to cut DNA at specific sites

• Ligase gene, to join DNA fragments

How is part of the circular DNA from the bacterium removed?

• Using DNA polymerase

• Using a restriction enzyme

• Using DNA ligase

• Using heat shock

What do the vitamin A gene from the daffodil and the cut bacterial plasmid have in common?

• Both have the same restriction site

• Both are circular DNA molecules

• Both contain the tumor inducing gene

• Both are found in Agrobacterium tumefaciens

What is the end result of the process that involves splicing the vitamin A gene into the Ti plasmid?

• A recombinant protein

• A recombinant DNA molecule

• A recombinant RNA molecule

• A recombinant cell