What is the significance of mutation in evolution ?
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MUTATION
- It is any event that changes genetic structures, any alteration in the inherited nucleic acid sequence of the genotype of an organism.
- It is caused by mutagens.
- Examples of mutagens are x - rays, ultraviolet rays, some chemicals etc.
SIGNIFICANCE OF MUTATION IN EVOLUTION
- Mutation are the raw material for evolution.
- Mutation are sudden and random changes in population.
- Mutation are sudden change in DNA .
- Mutations are directionless.
- Mutations are generally harmful and recessive whereas variation taking place in evolution are dominant and beneficial.
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