Question

2) Explain the stages involved on the maturation of microspore
into male gametophyte.​

Answer 1

Answer:

The stages involved in the maturation of Microspore into a pollen grain are MICROSPOROGENESIS, ARRANGEMENT INTO TETRAD, MITOTIS AND ROUNDING OFF OF POLLEN. 1. MICROSPOROGENESIS - reductional division occurs in the MICROSPORE MOTHER CELL to give rise to "4" Microspores.

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Answer 2

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The stages involved in the maturation of Microspore into a pollen grain are MICROSPOROGENESIS, ARRANGEMENT INTO TETRAD, MITOTIS AND ROUNDING OFF OF POLLEN.

1. MICROSPOROGENESIS - reductional division occurs in the MICROSPORE MOTHER CELL to give rise to "4" Microspores.

2. ARRANGEMENT INTO A TETRAD - these microspores are then arranged into a TETRAD shape and further form different wall layers around them.

3. MITOTIS - now mitosis occurs inside the microsporangium to form many microspores or pollen grains.

4. ROUNDING OFF - these microspores now known as pollen grains undergo rounding, to get a circular shape and are then released in the atmosphere at the time of dehiscence.

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