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Question

Which is correct sequence of binary fission in a bacterium? 



A

karyokinesis ----->DNA replication ----->cytokinesis

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B

DNA replication ----->karyokinesis ----->cytokinesis 

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C

karyokinesis ----->DNA replication ----->cytokinesis              

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D

cytokinesis ----->karyokinesis ----->DNA replication

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Solution

The correct option is A

DNA replication ----->karyokinesis ----->cytokinesis 


Binary fission in a bacterium or any unicellular organism is an asexual mode of reproduction. It starts with DNA replication or copying followed by its nucleus division (karyokinesis). Towards the end, cytoplasm divides (cytokinesis) and gives rise to two daughter cells. 


Biology

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