What Effects Would Occur in a Mutant of Arabidopsis That

question 78

Multiple Choice

What effects would occur in a mutant of Arabidopsis that cannot synthesize GABA within its flowers?

• A) Pollen tube growth would not be directed toward the egg, and fertilization would not occur.
• B) The seeds from the flowers would be unable to break dormancy.
• C) The pollen grain would not form a pollen tube due to incompatibility with the pollen tube.
• D) The length of the style would be increased to the point where the growing pollen tube would be unable to reach the synergids.

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