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Mutations
A mutation is a change in the DNA sequence of an organism.
Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection
Change in DNA = New genes = Can be beneficial or harmful
Happens in normal process of cellular repair
All living cells can mutate
Better Genes and how to get them?
Better genes will lead to production of better enzymes and proteins and ultimately better characteristics- taller, more fruit, insect resistance, etc in case of a plant.