Which of the following does not describe the macronucleus of a paramecium? a. the macronucleus forms from the fusion of micronuclei. b. the macronucleus has multiple copies of the genes that are used in day-to-day activities. c. the macronucleus does not disintegrate during conjugation. d. the macronucleus is not exchanged during conjugation.

The answer is letter D. The macronucleus is not exchanged during conjugation. It normally contains the working duplicates/copies of genes necessary to support an enormous cell. Macronucleus is formed by a direct division of the polyploid nucleus right after conjugation then followed by series of internal gene replication that is not oftenly occurring in micronucleuse.

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