which are two types of centrioles present in the sperm?

The neck of the sperm contains two centrioles (proximal and distal) lying one behind and at right angles to the other.

The proximal centriole plays a role in the first cleavage of the zygote.

A distal centriole gives rise to the axial filament of the sperm.

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 umm... i just kno one n datz endosperms, i dnt kno d otha 1 

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