Now-a-days cancer-death is increasing day by day. Is this due to the change in living habits? a. What do you think about this statement? b. Give some characters of this disease. c . It is found out that mutations in some genes cause cancer. Justify this statement.

Explanation

a. Yes. Cancer death is increasing day by day
b. i. Cancer cells are immortal i.e., they show indefinite growth.
ii. Normal constraints of growth are bypassed in the cancer cells
iii. They show metastasis.
c. Yes. Mutation of genes causes cancer. The mutation of proto-oncogenes leads to the formation of oncogenes and which in turn cause cancer.