A) Favourable environment
B) Overproduction
C) Abundant genotypic variations
D) Reproductive isolation
Correct Answer: C
Solution :
As per Modern synthetic theory of Evolution, there are five basic factors involved in the process of organic evolution i.e., (i) Gene mutation (ii) Changes in chromosome structure and number (iii) Genetic recombinations (iv) Natural selection (v) Reproductive isolation The first three factors are responsible for providing genetic variability and the last two are responsible for giving direction to the evolutionary processes.
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