What kinds of genetic mutations can lead to cancer? only frameshift mutations, because they are most severe any mutation of the dna or mrna mutations in sequences that control the cell cycle

It would be any mutation of the DNA or mRNA mutations in sequences that control the cell cycle because mutations are caused for an error in DNA since DNA contains all your traits and genes.

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the answer is "a.) well–developed vascular system."

explanation:

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it