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(b) Both events (microsporogenesis and megasporogenesis) involve the process of meiosis or reduction division which results in the formation of haploid gametes from the microspore and megaspore mother cells.
(c) Microsporogenesis results in the formation of haploid microspores from a diploid microspore mother cell. On the other hand, megasporogenesis results in the formation of haploid megaspores from a diploid megaspore mother cell.
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Posted on 11th Nov 2021 06:37:05 in
Question 2) Differentiate between microsporogenesis and megasporogenesis. Which type of cell division occurs during these events? Name the structures formed at the end of these two events?
Ans: Differences between microsporogenesis and megasporogenesis are as follows –
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Microsporogenesis |
Megasporogenesis |
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1. Formation of microspores and production of male gametophyte is termed micro-sporogenesis. 3. Many microspore mother cells are differentiated in a microsporangium. 4. All the four cells of the microspore tetrads are functional. |
1. Formation of megaspores , female gametophyte from megaspore mother cells is called megasporogenesis. 2. It occurs in the nucellus of the ovule/megasporangium. 3. Only one megaspore mother cell is differentiated in a megasporangium. 4. Only one of the four cells in the megaspore tetrad continues to grow. |
(b) Both events (microsporogenesis and megasporogenesis) involve the process of meiosis or reduction division which results in the formation of haploid gametes from the microspore and megaspore mother cells.
(c) Microsporogenesis results in the formation of haploid microspores from a diploid microspore mother cell. On the other hand, megasporogenesis results in the formation of haploid megaspores from a diploid megaspore mother cell.
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