How many meiosis and mitotic division involved in development of monosporic embryo sac
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Based on the number of megaspores, embryo sacs can be divided into three types: monosporic, bisporic, and tetrasporic (Web Figure 21.3. A). In the monosporic, or Polygonum-type embryo sac, meiosis of the diploid megaspore mother cell in the nucellus produces four haploid megaspores.
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1 meiotic and 3 mitotic division .
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