What is megasporogenesis? Explain the development of eight nucleate embryosac in flowering plants.

Explanation

MMC undergo meiosis to form four haploid megaspores. Monosporic method of development seeds to only one fucntional megaspore, that further develops into the female gametophyte (embryosac)
Nucleus of functional megaspore undergo free nuclear mitotic divisions without cell wall formation leading to 2-nucleat, 4-nucleate and later the 8-nucleate stages of embryosac. At 8-nucleate stage embryosac posses 2 synergids and an egg towards, mycropylar end, 3 antipodals towards chalazal end and the remaining tow nuclei called polar nuclei are situated in the large central cell.