Question

number of meiotic divisions required to produce 100 microspores (pollens)and 100 macrospores (egg) in an angiosperm are
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Answer 1

Answer:25(for microspores),100(for megaspores)

Explanation:

FOR MICROSPORES,

since,1 meiosis gives 4 microspore.

Therefore,100/4 meiosis will give 100 microspores

So, no. Of meiostic divisions will be 25

FOR MEGASPORES,

1 meiosis give 4 daughter megaspores,from which 3 degenerates

Therefore, 1 meiosis will give 1 megospore

And hence 100 meiosis will give 100 megaspores