Phenomenon of 'industrial melanism' demonstrates [AIIMS 1998; CPMT 1 – McqOptions

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1.	Phenomenon of 'industrial melanism' demonstrates [AIIMS 1998; CPMT 1999; CBSE PMT 1999; AFMC 2002; JIPMER 2001]
A.	Natural selection
B.	Induced mutation
C.	Geographical isolation
D.	Reproductive isolation
Answer» B. Induced mutation

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