How many meiotic and mitotic divisions need to occur for the development of a mature female gametophyte from the megaspore mother cell in an angiosperm plant?

Options

1. 2 Meiosis and 3 Mitosis
2. 1 Meiosis and 2 Mitosis
3. 1 Meiosis and 3 Mitosis
4. No Meiosis and 2 Mitosis

Correct Answer

1 Meiosis and 3 Mitosis

Explanation

One meiosis in the megaspore mother cell forms four megaspores, one functional megaspore undergoes three mitotic divisions to form the 8-nucleate embryo sac (female gametophyte).

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