Nuclear dimorphism
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Nuclear dimorphism is a term referred to the special characteristic of having two different kind of nucleus in a cell. This feature is only observed in protozoa ciliates. Ciliates contain two nucleus type, a macronucleus that is basically used to control metabolism, and a micronucleus which have the reproductive functions and is used to generate the macronucleus. The nuclear dimorphism undergoes complex and interesting epigenetic controls. If you wish to read more about this matter see: epigenetic controls in ciliates.
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