In the majority of angiosperms, the functional megaspore develops into the embryo sac. What is the ploidy sequence of th
The Nucellus is part of the sporophyte (2n). The Megaspore Mother Cell (MMC) differentiates from the nucellus and is also diploid (2n). The MMC undergoes meiosis to form megaspores (n). The functional megaspore (n) divides mitotically to form the female gametophyte (n).
Ref: Diagram of an ovule showing the nucellus surrounding the MMC and subsequent reduction division.