Differentiate between Microsporogenesis and Megasporogenesis.

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MicrosporogenesisMegasporogenesis
$1$. It occurs in the anther.$1$. It occurs in the ovule.
$2$. Microspore mother cells undergo meiosis to form a microspore tetrad.$2$. Megaspore mother cells undergo meiosis to form a linear tetrad of megaspores.
$3$. Four functional microspores (pollen grains) are formed from one microspore mother cell.$3$. Generally,only one functional megaspore is formed from one megaspore mother cell,while the other three degenerate.
$4$. It leads to the formation of male gametophytes.$4$. It leads to the formation of the female gametophyte (embryo sac).

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