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Macro and micronucleus are the character...

Macro and micronucleus are the characteristic feature of

A

Paramecium and Vorticella

B

Opelina and Nictotihirus

C

Hydra and Ballantidium

D

Vorticella and Nictothirus

Text Solution

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The correct Answer is:
A
(a) Paramecium and Vorticella have dimorphic nuclei (heterokaryotic). Micronucleus that is inactive except during cell division and houses the master copy of the genome. Macronucleus controls daily synthetic activities or on going metabolic functions of the cell and asexual reproduction. Macronucleus contains multiple copies of DNA.
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