You are studying cancer progression in mice. Your results show the following pathway in which two proteins play important roles in how mouse cell division is regulated. nutrients cell division Prot 1 Prot 2 You isolate a mutant strain of mice that have a Prot 1 mutation (Prot 1-). These mutant mice frequently develop cancer as young adults. Which of the following can you conclude from these observations? Select all that apply Prot 1- mutation can be classified as dominant Prot 1 can be classified as a proto-oncogene Prot 1- mutation can be classified as recessive Prot 1 can be classified as a tumor suppressor gene

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