Florigene, the rose plant that produces blue flowers, is an example of
In 2008, a DNA technology company, Florigene, Ltd., a Japanese subsidiary from Australia, claimed the production of a genetically blue rose. This was a great success since roses have no natural gene for producing blue pigments; further, roses do have a gene that controls the destruction of blue pigment molecules. To obtain the blue color, researchers had to inject genes from pansies and other flowers to counteract the natural chemistry of the plant.
A. applying gene therapy.
B. a clone.
C. stem cell research.
D. a transgenic organism.
E. traditional breeding.
D. a transgenic organism.
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A mutation in which the fate of cell lineages is not synchronized in an organism is called a ____
A. heterochronic mutation B. apoptotic mutation C. homeotic mutation D. homeobox mutation
You discover an aquatic fungus that makes spores that use flagella to swim. Into which group should you classify this
fungus?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
Depression is treated by drugs that slow the uptake of which neurotransmitter?
a. epinephrine b. adenosine c. dopamine d. serotonin e. endorphins
In systematics, a group of organisms consisting of a common ancestor and some, but not all, of its descendents is defined as a
A. None of the answer choices is correct. B. clade. C. polyphyletic group. D. cladogram. E. paraphyletic group.