The development of cancer requires both the of an oncogene and the of a tumor suppressor.

In the development of cancer cells in humans, the overexpression of an oncogene in cells occurred. for the cancer cell to further develops it needs the lowering of a tumor suppressor because this will kill the cancer cell in the early stages of development.

The answer is d. when it begins to fall back to the child's hand

Single strand binding protein by peptide bond