Although Flowers, and Specifically Roses, Come in Many Colors, No

question 34

Multiple Choice

Although flowers, and specifically roses, come in many colors, no blue rose has formerly been successfully produced. Since 1840, an international award of 500,000 francs has been offered for the first people or organization to produce a truly blue rose. One DNA technology company, Florigene, Ltd., a Japanese subsidiary from Australia, claimed the production of a genetically blue rose in 2008. Roses have no natural gene for producing blue pigments; further, roses do have a gene that controls the destruction of blue pigment molecules. Researchers had to inject genes from pansie and other flowers to counteract the natural chemistry of the plant.
-Because the rose is a plant,the likely cloning vector used to introduce necessary genes was a

• A) cloned nucleus.
• B) chromatid.
• C) virus.
• D) bacterial plasmid.

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