After penetrating stigmatic and stylar tissue, the pollen tube usually grows downwards towards egg because

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Q 1416045870.     After penetrating stigmatic and stylar tissue, the pollen
tube usually grows downwards towards egg because
A

no other path to follow

B

it grows under the control of egg nucleus

C

attracted by dissimilar electric charge

D

the filiform apparatus of synergids is believed to attract the pollen tube

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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