Distinguished between the following pair of team Egg
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Sperm:-
Sperms are produced in the testes.
Four sperms are formed from one spermatogonium by meiosis or reduction division
It is well differentiated into head, neck, middle piece and tail.
Cytoplasm is present in a small amount.
Mitochondria form a spiral in the middle piece and provides for the energy required for motility.
Sperm is motile and penetrates the ovum by releasing lysing enzymes. (e.g.hyaluronidase.)
Egg or Ovum:-
Ova are produced in the ovaries.
Only one ovum is formed from one oogonium.
It is not externally differentiated into regions.
It has a large amount of cytoplasm called ooplasm.
Mitochondria are scattered in the ooplasm.
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