Mutation creates new genetic variation in a gene pool, and mutations Mutations are caused by random changes in genes. Given these facts, what creates new genetic variation in the gene pool among the following options:
- The bending of a ray of light
 - passenger pigeons
 - peachleaf willow
 - Warm air moving into cold air
 - random changes in genes
 - that material's properties
 - a tree falling
 - By wind and rain


 

     random changes in genes    