When an organ is used it will develop and if it is not used, it weaken – McqOptions

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1.	When an organ is used it will develop and if it is not used, it weakens to become vestigial. Who could have said their theory [BHU 1986; CPMT 1983; DPMT 1993; AFMC 2001; MP PMT 2003]
A.	Darwin
B.	de Vries
C.	Lamarck
D.	Mendel
Answer» D. Mendel

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