Solution: The rules of heredity were suggested by Mendel, also Morgan was the first to discover a mutation in drosophila. The use-and-disuse idea was proposed by Lamarck.
So, the correct answer is (b) Darwin
Solution: The rules of heredity were suggested by Mendel, also Morgan was the first to discover a mutation in drosophila. The use-and-disuse idea was proposed by Lamarck.
So, the correct answer is (b) Darwin