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DOES THE SEED REPRESENT 2 OR 3 GENERATIONS? IN UNFERTILISED OVULE THERE ARE 2 STAGES ,CAN WE CONSIDER THEM AS 2 GENERATIONS?

DOES THE SEED REPRESENT 2 OR 3 GENERATIONS?
IN UNFERTILISED OVULE THERE ARE 2 STAGES ,CAN WE CONSIDER THEM AS 2 GENERATIONS?

Grade:12

1 Answers

Arun
25758 Points
4 years ago
The seed of Pinus consists of tissues representing three generations:
1. The testa, tegmen and the nucellar cap represent the parts of the old sporophyte, the Pinus tree.
2. The endosperm surrounding the embryo represents the female gametophyte.
3. The embryo represents the dormant future sporophyte.

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