Question

what phenomenon is observed in f w went's experiment​

Answer 1

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F. W. Went found that when the tip of Avena coleoptile is cut, its elongation ceases. However, when auxin was added externally, its growth renewed. He suggested that experiments suggested that auxin is synthesized in the coleoptile tip and is translocated downwards towards the gravity.

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Answer 2

Answer:

He obserbed that, Auxin is synthesized in the coleoptile tip.And this is translocated towards gravity.

Explanation:

When the tip of avena coleoptile is cut ,its elongation stops. When auxin is added it restarts. auxin translocated towards gravity. it moves from illuminated side to shaded side. More auxin is present on the shaded side than on illuminated side.Faster elongation is seen in the shaded side.