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The landing of pollen on the stigma is followed by the growth of the pollen

tube towards the ovule. The pollen tube growth is guided by chemicals released from the pistil of the female flower. What is this type of growth in
the direction of chemicals called?

• positive chemotropism

• negative phototropism

• positive phototropism

User Amre
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1 Answer

2 votes

Answer:

positive chempotesiem

Step-by-step explanation:

User Bisko
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