Biology, asked by ggggggggggg6261, 1 year ago

describe the structure of a 3 celled pollen grain and trace its development from sporogeneous tissue in an anther.

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Answered by Anonymous
0
hey!!
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Pollen is a fine to coarse powdery substance comprising pollen grains which are In angiosperms, during flower development the anther is composed of a mass of Ground tissue.

hope help u!
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Answered by RAthi21
0

hye!

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When the anther is developing, a group of compactly arranged similar types of cells called the sporogenous tissue is present at centre of each microsporangium. tetrad.

Pollen grains which are shed at 3 celled stages contain one vegetative cell and two sperm cells product of mitotic division in generative cell.

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