Which of the following is the environmental theory of ageing – McqOptions

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1.	Which of the following is the environmental theory of ageing
A.	The radiation affects the gene mutation resulting in the DNA transcription in somatic cells.
B.	The rate of ageing and age is controlled by the ageing gene
C.	Environmental and hereditary factors control the ageing
D.	Metabolic rate affects the ageing
Answer» B. The rate of ageing and age is controlled by the ageing gene

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