Based on Your Knowledge of the Effects of Cytokinins on Plant

question 35

Multiple Choice

Based on your knowledge of the effects of cytokinins on plant growth and development, which of the following is the most likely phenotype of a plant that has been bioengineered to have elevated cytokinin synthesis? (Assume that the levels of other plant hormones are normal.)

• A) The shoot system of the mutant plant is taller.
• B) The formation of roots is greater in the mutant.
• C) The mutant is more highly branched.
• D) Leaf senescence is accelerated in the mutant.
• E) Fruit ripens faster in the mutant.

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