Question
Biology Question on evolution
Single step large mutation leading to speciation is also called
A
founder effect
B
saltation
C
branching descent
D
natural selection
Answer
saltation
Explanation
Solution
Hugo de Vries believed that mutation causes evolution and not the minor heritable variations which were mentioned by Darwin. According to Darwin, evolution was gradual while de Vries believed mutations appear suddenly and hence called it saltation (single step large mutation)