The table below identifies three classes of genes that affect the cell cycle. gene type gene activity proto-oncogenes regulate progress though the normal cell cycle oncogenes cause uncontrolled cell cycle progression tumor suppressor genes restrict cell cycle progression which scenario transforms normal cells into cancer cells? tumor suppressor genes become pro-oncogenes. tumor suppressor genes become oncogenes. proto-oncogenes become oncogenes. oncogenes become proto-oncogenes. description

The correct option is this: PROTO ONCOGENES BECOMES ONCOGENES.
Proto oncogenes genes are those genes that regulate the process of normal cell division in the living system. These cells starts cell division when necessary and terminate the cell division when the necessary cells have been formed. When these genes lose the power to regulate cell division, the cells continue to divide indefinitely without stopping and this leads to a medical condition called cancer. At this stage, the proto oncogenes have been turned into oncogenes, which are genes that caused uncontrolled cell cycle divisions.

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