Question

What is the significance of mutation in evolution ?

Answer 1

Answer:

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.