Question

Mutations are important for evolution because they _____.


remove excessive genetic variation


allow individual organisms to evolve


are the source of new genetic variation


improve the survival of organisms

Answer 1

Answer: are the source of new genetic variation

Explanation:

Mutations are the alterations that occur in the genome of an organism.

• The mutations can be caused either due to intrinsic factors such as replication error or extrinsic factors such as exposure to mutagens.
• Genetic variations are the differences in the genome sequence of individuals in a given population and it occurs mainly due to two processes :  

1. Mutation

2. Genetic recombiantion.

Answer 2

Answer:

are the source of new genetic variation

Explanation:

ok