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Get Answers to all your Questions
In majority of angiosperms
- Option 1)
egg has a filiform apparatus
- Option 2)
there are numerous antipodal cells
- Option 3)
reduction division occurs in the megaspore mother cells
- Option 4)
a small central cell is present in the embryo sac
Answers (2)
As discussed in
Megasporogenesis -
The process of formation of megaspores from the megaspore mother cell is called megasporogenesis.
Ovules generally differentiate a single megaspore mother cell (MMC) in the micropylar region of the nucellus. It is a large cell containing dense cytoplasm and a prominent nucleus.
- wherein
Meiosis results in the production of four megaspores .
Meiotic division in also known as reduction division
Option 1)
egg has a filiform apparatus
Option is incorrect
Option 2)
there are numerous antipodal cells
Option is incorrect
Option 3)
reduction division occurs in the megaspore mother cells
Option is correct
Option 4)
a small central cell is present in the embryo sac
Option is incorrect
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ans :- the 3rd option is correct
EXPLANATION :- IN MOST of the angiosperms megaspores mother cell divides mitotically to produce 4 cells .out of these 3 degenrate and one remain functional megaspore. This will divide mitotically and form the embryo sac
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