Question

Dimorphic nucleus found in

Answer 1

Dimorphic nucleus is found in protist like paramecium. There is a large macronucleus and a small micronucleus.
The larger nucleus which performs normal cell functions like respiration, protein synthesis and digestion. Micronucleus: The smaller nucleus is responsible for cell division and used only during reproduction.

Answer 2

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dimorphic nucleus (SDN) is an ovoid, densely packed cluster of large cells located in the medial preoptic area (POA) of the hypothalamus which is believed to be related to sexual behavior in animals.