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The embryo sac in female gametophyte is seven celled and eight nucleated structure. Justify the statement with the help of a labelled diagram.
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The typical female gametophyte or embryo sac has three cells that are grouped together at the micropylar end and constitute the egg apparatus. The egg apparatus, in turn, consists of two synergids and one egg cell.
Three cells are at the chalazal end and are called the antipodals. The large central cell has two polar nuclei.
Thus, a typical angiosperm embryo sac, at maturity is 8-nucleate is 7-celled.
A diagrammatic view of the mature embryo sac-
Three cells are at the chalazal end and are called the antipodals. The large central cell has two polar nuclei.
Thus, a typical angiosperm embryo sac, at maturity is 8-nucleate is 7-celled.
A diagrammatic view of the mature embryo sac-
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| Question Text | The embryo sac in female gametophyte is seven celled and eight nucleated structure. Justify the statement with the help of a labelled diagram. |
| Topic | Sexual Reproduction in Flowering Plants |
| Subject | Biology |
| Class | Class 12 |
| Answer Type | Text solution:1 |
| Upvotes | 105 |
