Question

checkpoints throughout the cell cycle ensure that cells with dna damage stop growing and dividing until the damage is repaired. what can happen if the genes that control these checkpoints are turned off? virus cancer a new organism sex cells

Explanation:

Cell cycle checkpoints prevent damaged cells from dividing. If checkpoint - controlling genes are off, damaged cells divide uncontrollably, leading to cancer. Viruses are infectious agents. A new organism (like in reproduction) and sex cells (gametes) are not the result of disabled checkpoints. Cancer is the consequence of unchecked cell division due to DNA damage.

Answer:

B. Cancer