Mutations In DNA By Mr. Guardiola

Cell Growth Protein Synthesis: Transcription Replication Cell Growth Protein Synthesis: Transcription  Translation Interphase Mitosis Cell Division Translation The ribosome and tRNA helps assemble the protein chain of amino acids. The amino acids are bonded together to start the protein chain. MET ARG THR LEU

What is a Mutation?

Are all mutations the same?

What’s a gene mutation?

Mutations – Changes In DNA Correct Sequence: DNA TAC GCA TGG ATA mRNA AUG CGU ACC UAU MET ARG THR TYR THE FAT CAT ATE Point Mutation Substitution DNA TAC GTA TGG ATA mRNA AUG CAU ACC UAU MET HIS THR TYR THE FTT CAT ATE

Mutations – Changes In DNA Correct Sequence: DNA TAC GCA TGG ATA mRNA AUG CGU ACC UAU MET ARG THR TYR THE FAT CAT ATE Frameshift Mutations Insertion Deletion Insertion of another “G” Deletion of “G” DNA TAC GGC ATG GAT A DNA TAC CAT GGA TA mRNA AUG CCG UAC CUA U mRNA AUG GUA CCU AU MET PRO TYR TYR MET VAL PRO THE FFA TCA TAT E THE ATC ATA TE

What is a chromosomal mutation? Copy the designs on page 308

Chromosomal Mutation This involves the whole chromosome. Section 12-4

How do mutations affect organisms?