Examine the figure below.In a typical colon cancer,the first step is ________.
A)the inactivation of a tumor-suppressor gene
B)the mutation of a tumor-suppressor gene,producing an oncogene
C)the mutation of a proto-oncogene,producing an oncogene
D)the conversion of an oncogene to a tumor-suppressor gene

Question

Examine the figure below.In a typical colon cancer,the first step is ________. 
A)the inactivation of a tumor-suppressor gene 
B)the mutation of a tumor-suppressor gene,producing an oncogene 
C)the mutation of a proto-oncogene,producing an oncogene 
D)the conversion of an oncogene to a tumor-suppressor gene

Quizplus · Accepted Answer

The Answer of Examine the figure below.In a typical colon cancer,the first step is ________. 
A)the inactivation of a tumor-suppressor gene 
B)the mutation of a tumor-suppressor gene,producing an oncogene 
C)the mutation of a proto-oncogene,producing an oncogene 
D)the conversion of an oncogene to a tumor-suppressor gene

Examine the Figure Below