Mutation, A change in the DNA sequence, Mutagens, Agents that cause mutations, Carcinogens, Mutagens that cause cancer, Radiation agents, UV & X rays, Chemical agents, Tobacco smoke, Biological agents, HPV virus, Suncreams, Protect against UV ray mutations, Gene mutations, Changes in a single gene, Cystic Fibrosis, A disease caused by a gene mutation, Downs Syndrome, 3 copies of chromosome 21, Klinefelter syndrome, XXY chromosomes, Deletion, When a fragment of a chromosome is missing, Duplication, When a fragment of a chromosome breaks off and reattaches to the other strand of the same chromosome, Inversion, When a fragment of a chromosome breaks off and reattaches itself upside down, Translocation, When a fragment of a chromosome breaks off and reattaches itself to another chromosome.

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