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possibility in cell

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possibility in cell

Postby lohita » Mon Jun 27, 2005 4:52 pm

is there any possibitily, where a cell could have two nucleus? i know it is a stupid question but i am just curious about it. :wink:
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Postby Poison » Mon Jun 27, 2005 4:58 pm

Yes. Muscle cells are multinucleated.
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Postby opuntia » Mon Jun 27, 2005 6:09 pm

I n one of the books i have read, it says that skeletal muscle cells have more than one nuclei :)
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Postby protozoan » Mon Jun 27, 2005 7:59 pm

There are thousands and thousands of examples of cells with more than one nuclei. Many funges have hyphes (fibres) in which, every cell posses two nuclei before they fuse and create zygote (this happens in terminal cell). In protists it is most extremely, there are cells with four, eight or hundred nuclei.
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Postby MrMistery » Mon Jun 27, 2005 8:03 pm

Paramecium-2 nuclei
Giardia Intestinalis- 2 nuclei
Hepatocyte- 2 nuclei
Skeletical muscle cell and osteoclast: many nuclei
PS: it is actually not a stupid question :wink:
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Postby lohita » Mon Jun 27, 2005 9:25 pm

then... is genetic information in both the nucei same? how is mitosis going to take place? this way then cells can produce four cells after mitosis rite? :?
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Postby MrMistery » Mon Jun 27, 2005 9:30 pm

The DNA is the same in all the nuclei, except for paramecium... there the micronucleus has a role in reproduction...
Mitosis takes place as usual, except there is double the genetic material(remember that muscle cells and osteoclasts can not divide...). it will lead to 2 daughter cells that also have 2 nuclei
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