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Transcript
Mutations A. Gene Mutation 1. Def. – changes in a single gene effecting one or a few nucleotides. 2. Point Mutations (ex: substitution) a. effect is usually minimal – only effects one amino acid 3. Frameshift Mutation (ex: insertion, deletion) a. effect is dramatic – many amino acids effected; entire protein many be “damaged” B. Chromosomal Mutation 1. Def. – change in the number or structure of chromosomes 2. Deletions – part of the chromosome is deleted and lost 3. Duplication – extra parts of the chromosome are copied 4. Inversion – reverses parts of the chromosome 5. Translocation – two different chromosomes break and attach to one another
