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21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
Heritable variations arise through changes in gene complex of a species
b
Environment does not play any role in evolution
c
Natural selection acts on favourable variations which appear among individuals of a species
d
Characters acquired during the life of an individual are inherited by its offspring
answer is C.
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