What effects would occur in a mutant of Arabidopsis that cannot ...

[curlz]

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.

[mydiamond]

I know it's A,

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