What are the causes of mutations

What are the 4 types of mutation? Summary Germline mutations occur in gametes. Somatic mutations occur in other body cells. Chromosomal alterations are mutations that change chromosome structure. Point mutations change a single nucleotide. Frameshift mutations are additions or deletions of nucleotides that cause a shift in the reading frame. #MutationDiseaseCause #HealthIndustry #evolution #geneticDrift #alleles #genes