Why do whales not get cancer?

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I thought cancer risk increases with higher body mass.. so why are the largest creatures alive like blue whales not covered in tumors?

In: Biology

3 Answers

Anonymous 0 Comments

They certainly can get cancer, but the answer lies in their genes. They have some interesting genes that seem to have developed or even evolved faster than the rest of their bodies would suggest, and several in particular that regulate their cell cycle, proliferation, and the process of in-cell DNA repair. Basically, all the things that maintain healthy cells.

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