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Very short answer type question: Even though each pollen grain has 2 male gametes, why atleast 20 pollen grains are required to fertilize 20 ovules in a particular carpel? - Biology

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Short Note

Very short answer type question:

Even though each pollen grain has 2 male gametes, why at least 20 pollen grains are required to fertilize 20 ovules in a particular carpel?

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Solution

One of the pollen grain's male gametes fuses with the egg cell during double fertilisation, while the other male gamete fuses with the secondary nucleus. Thus, 20 pollen grains are required to fertilise 20 ovules in a specific carpel.

Concept: Double Fertilization and Triple Fusion in Plant
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APPEARS IN

Balbharati Biology 12th Standard HSC for Maharashtra State Board
Chapter 1 Reproduction in Lower and Higher Plants
Exercises | Q 2.03 | Page 16

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