Identify the correct statement:
1. Both Hugo de Vries and Darwin believed that it was mutation that caused evolution.
2. Both Hugo de Vries and Darwin believed that it was minor variations that caused evolution, not mutation.
3. Mutations are small and directional, while Darwinian variations are random and directionless. 
4. Evolution for Darwin was gradual while de Vries believed mutation caused speciation and hence called it saltation (single-step large mutation). 
Subtopic:  Hugo De Vries Theory of Evolution |
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Hugo de Vries believed that:
1. discontinuous variations due to mutations are important for evolution
2. continuous variations due to recombination are important for evolution
3. evolution is a function of time
4. evolution is a deterministic process
Subtopic:  Hugo De Vries Theory of Evolution |
 78%
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