A) Both (A) and (R) are true and (R) explains
B) Both (A) and (R) are true but (R) cannot explain
C) Only (A) is correct but not (R)
D) Both (A) and (R) are wrong
Correct Answer: A
Solution :
A phenomenon in which cancer cells spread to distant sites through body fluids to develop secondary tumour is called metastasis. Abnormal antigens on the surface of cell and unusual number of chromosomes cause metastasis.You need to login to perform this action.
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