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How good an indicator is DNA content of the cellular complexity of an organism? Give examples...

How good an indicator is DNA content of the cellular complexity of an organism? Give examples to explain your answer.

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Answer #1

The DNA content is not a good indicator to determine as cellular complexity of an organism.  

For example:

*The size of DNA can not be used to determine complexity of an organism because there are large size in eukaryotes generally but there are certain prokaryotes which have large size genome as compared to eukaryotic cell.

* It is not necessary that if the amount of DNA increases, the complexity of organism also increases. This is called c value paradox.
For example amoeba has 686,000 Mb DNA which is a single celled simple organism, whereas human os 300Mb, a complex multicellular organism.

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