What cytological process leads to the fact that asexual reproduction is not accompanied by an increase in genetic diversity?

What cytological process leads to the fact that asexual reproduction is not accompanied by an increase in genetic diversity? List the organisms that are characteristic of this method of reproduction.

This process is mitosis. With interphase, exact duplication of the genetic material of the cell occurs, as a result of which daughter cells receive the same hereditary information that was contained in the mother cells. Consequently, new organisms that have arisen asexually are genetically replicas of the mother.
Organisms: protozoa, unicellular algae, yeast, jellyfish, annelids, plants.

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