What can be a consequence of uncontrolled mitosis?

Uncontrolled mitosis refers to the unregulated division of cells, which can lead to an excessive accumulation of cells. This process is a hallmark of cancer, where cells divide in an uncontrolled manner due to mutations that disrupt normal cell cycle regulation. When the mechanisms that normally suppress cell division (such as tumor suppressor genes) fail, it can result in the formation of tumors. Therefore, the direct link between uncontrolled mitosis and cancer makes cancer the most relevant consequence in this context.

The other options—cellular repair, heightened resistance to diseases, and increased fertility—are all associated with normal cellular processes and regulated cell division, rather than the adverse effects of uncontrolled mitosis. In fact, uncontrolled mitosis usually has detrimental effects rather than beneficial ones.