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Transcription
A few Translation players
amino
acid
tRNA
anticodon
codon
mRNA
Translation occurs in the cytoplasm
Translation
mRNA codons for Amino Acids
Making a Protein
Transcription / Translation
Mutations
when change happens
How Mutations Happen
• Mistakes during DNA replication
• Agents called mutagens
• Radiation
• chemicals
Types of Mutations
• Substitution
• Insertion
• Deletion
• Frameshift
Timing: Somatic vs Germ Line
Mutations
Mutation Effects
• No change visible
• Small changes in
form/function/timing
of proteins
• Significant changes in
function/timing/pres
ence
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