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The diagram below illustrates a growing pollen tube.

      

The diagram below illustrates a growing pollen tube.
Biology5920171008.jpg
(a) Name the part labeled B.
(b) Explain the role of the parts labeled A.

  

Answers


John
(a) Tube nucleus

(b) Male nuclei where one male nucleus fuses with functional egg to form a diploid zygote while the other fuses with polar nuclei to form triploid which become the primary endosperm.
johnmulu answered the question on May 9, 2017 at 07:12


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