DNA Mutations. Section 11.3 . Review. DNA controls structure and function of cells because it holds the code to build all proteins. Amino acid sequence. DNA. mRNA. transcription. translation. Mutation—mistakes in the DNA.
Amino acid sequence
Mutation in body cell
Mutation in sperm or egg
Only adult cells affected
Only offspring affected
Cell may no longer work properly
Cell doesn’t reproduce properlymay lead to cancer
New protein that is better than before
New protein hurts organism or doesn’t work at all.