Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Polyploid species of common bread wheat have evolved by hybridization followed by chromosome doubling in interspecific hybrids by treatment with colchine

Reason R: Colchicine induces gigantism in allopolyploid species of bread wheat.

In the light of the above statements, choose the correct answer from the options given below: