Differentiate between microsporogenesis and
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 Differentiate between microsporogenesis and megasporogenesis. Which

type of cell division occurs during these events? Name the structures formed

at the end of these two events?

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 Microsporogenesis and megasporogenesis differ in the following ways:

Microsporogenesis Megasporogenesis

The process by which

microspore mother cells

divide and produce pollen

grains is known as

microsporogenesis.

Megasporogenesis is the process

by which megaspore mother cells

are formed and differentiate into

megaspores by meiosis.

Located within the pollen sac

of the anthers.

It is present in the nucellus of the

ovule.

A pollen grain produced by a

microspore mother cell

functions properly.

The megaspores have only one

functional megaspore.

Results in the formation of

pollen

grains (male gametophyte)

Resulting in the formation of

embryo sacs (female

gametophyte)

Microspore mother cells and

megaspore mother cells are

every diploid, as they have

two sets of chromosomes.

The mother cells for megaspores

and microspores enlarge and

undergo meiosis in order to

produce four haplotypical cells

called megaspores and

microspores, respectively.

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