Mechanism of Evolution Evolution (124 MCQs) Evolution Biology - XII NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The ultimate source of genetic variability in the gene pool of a population is:
1. mutation
2. migration
3. genetic drift
4. non-random mating

Subtopic: Mechanism of Evolution |

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Saltation is a mechanism of evolution that involves:

1.	Rapid changes due to a single mutation
2.	Gradual changes accumulating over long periods
3.	Changes in allele frequency due to genetic drift
4.	Changes due to gene flow between populations

Subtopic: Mechanism of Evolution |

89%

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