In malignant tumours, the cells proliferate, grow rapidly and move to other parts of the body to form new tumours. This property of cancer cells is called:
A
Metagenesis
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B
Metastasis
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C
Teratogenesis
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D
Mitosis
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Solution
The correct option is B Metastasis In cancer, there is an uncontrolled division or proliferation of cells leading to the formation of a large mass of tissue called tumours. Tumours are of two types, i.e., benign (non-cancerous) and malignant (cancerous).
The invasion of cancerous cells (in malignant tumours) from one part to the other parts of body is called metastasis, while metagenesis is the alternation of generations exhibited by certain animals like Obelia.
Teratogenesis is a prenatal toxicity characterised by structural, functional defects in the developing embryo or foetus.
Mitosis is a type of cell division that results in two identical daughter cells.