Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
The modern synthetic theory of evolution assumes a positive role of which of the following in evolution? (1) Natural selection (2) Acquired characters (3) Mutations (4) Artificial selectionA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: D
Solution :
The modem synthetic theory of evolution involves five basic processes mutation, variation, heredity, natural selection and isolation. In addition, three accessory processes affect the working of these five basic processes, viz, migration, hybridisation and the effects of chance.
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