Question

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. Single-celled organisms may use cell division as their method of reproduction. Regardless of the reason for mitosis, the process ensures genetic continuity. Consider the model of the cell cycle. Explain the purpose of the areas labelled checkpoint in the cycle? all but one could apply.

Answer 1

The Replication or Synthesis phase and the Mitosis phase of the Cell cycle both maintain genetic continuity.

The G0-Interphase phase is the first division of the Cell Cycle.

Growth phase 1, or G1.

S - Phase of replication or synthesis.

Second Growth phase, or G2.

M – Mitosis

Of all the aforementioned phases, the replication or doubling of the genetic material, specifically the DNA, takes place in the S phase in order to distribute the genetic material equally to both daughter cells.

To make sure that the genetic material is distributed fairly among the daughter cells, the M, or mitosis phase, is also necessary.

As a result, a genetic continuity is preserved across the cell's generations.

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