Difference between polygonum, allium and adoxa

1.	Difference between polygonum, allium and adoxa
Answer» P. Maheswari (1950) divides development of EMBRYOSAC or female gametophyte in three major groups Monosporic — In this type of development 3 megaspores of tetrad get DEGENERATE one remain functional and forms embryosac. Bisporic — when two megasporic nuclei takes part in formation of embryosac. Both the nuclei are genetically different. Tetrasporic — In this type due to failure of CYTOKINESIS I and II a four nucleate coenomegaspore tetrad is FORMED and all 4 nuclei participate in formation of embryosac. Angiosperms exhibits great diversity in the development of embryosac which is as follows

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Difference between polygonum, allium and adoxa

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