Presentation on theme: "How Genes Work 14.1 Translation. What is translation? Conversion of code to polypeptide Happens in cytoplasm Players tRNA Anticodon mRNA "— Presentation transcript:
What is a mutation? Permanent change in DNA sequence Can cause cancer Carcinogenesis Carcinogens vs. mutagens Two types of mutations Point Frameshift
What is a point mutation? Substitution of wrong nucleotide
What is a frameshift mutation? Original: THE BIG FLY HAD ONE RED EYE. Point mutation: THE BIT FLY HAD ONE RED EYE. Frame shift mutation: Addition: THE BIT GFL YHA DON ERE DEY E. Deletion: THE BIF LYH ADO NER EDE YE. Which is more dangerous?