Use the Following to Answer Question

question 29

Essay

Use the following to answer question :
-Refer to the following graph and identify the years for which Country A and Country B experienced recession.

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Definitions:

Oncogene

A gene that has the potential to cause cancer, usually by being mutated or expressed at high levels.

Tumor Cell

A cell that has undergone genetic changes enabling it to divide uncontrollably and possibly lead to cancer.

Checkpoint Gene

A gene that regulates cell cycle checkpoints to ensure cells do not divide unless certain conditions are met, playing a key role in preventing cancer.