Sudden heritable changes are called

1. Linkages

2. Mutations

3. Recombinations

4. Natural selection

Subtopic:  Hugo De Vries Theory of Evolution |
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Theory of 'Saltations' was given by 

(1) G Mendel

(2) Hugo de Vries

(3) J B S Haldane

(4) H J Miller

Subtopic:  Hugo De Vries Theory of Evolution |
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Single step large mutation leading to
speciation is also called
1. Founder’s effect
2. saltation
3. branching descent
4. natural selection

Subtopic:  Hugo De Vries Theory of Evolution |
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In a random mating population in equilibrium, which of the following brings about a change in gene frequency in a non-directional manner?

1. Mutations 2. Random drift
3. Selection 4. Migration

Subtopic:  Hugo De Vries Theory of Evolution |
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