Question

microsporogenesis

what is this??

Answer 1

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➡️The process of the formation and differentiation of microspore from microspore mother cells by reduction division is called microsporogenesis

➡️During development the anther is seen first as a homogeneous mass of meristematic cell.

➡️anther is tetrasporangiate with four microsporangia.

➡️anther is developed as eusporangaite.


➡️archesporial cell divides perichinally or antichlinally again and again to form walls.

➡️in this step Tapetum is the innermost layer it gives nutrition .

➡️sporogeneous cell undergoes mitosis and forms Pollen mother cells.



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Answer 2

hey buddy !! here's your answer ....

✔️ Microsporogenesis means formation of microspores ( pollen grains ) within the microsporangia ( pollen sacs ) .these microspores are formed from pollen mother cells (PMC) through meiosis.

➡️ When the anther is young , a group compactly arranged tissues known as sporogenous tissues occupies the centre of microsporangia.

➡️ as the anther develops , the sporogenous cells divide by meiotic division (reductional) to form microspore tetrad .

➡️ these are four haploid microspores attached together with the help of callose layer .

➡️ when anther matures and dehydrates these microspores dissociate and develop into pollen grains .

hope it helps !! ❤️✌️

bonne journée !! ⭐⭐