Sudden heritable changes are called

1. Linkages

2. Mutations

3. Recombinations

4. Natural selection

Subtopic:  Hugo De Vries Theory of Evolution |
 92%
Level 1: 80%+
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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 |
 93%
Level 1: 80%+
AIIMS - 2011
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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 |
 92%
Level 1: 80%+
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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 |
Level 3: 35%-60%
AIPMT - 2003
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