Mutations - i. May or maynot effect resulting protein 3....

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Mutations Change in DNA sequence Mutagens: Agents that cause mutations e.g. UV rays, chemicals/carcinogens cause cancer Base substitution Mutation: Single base is replaced by another. 1. Silent : No effect. Still codes for same amino acid. . UUA->UUG Leucine 2. Missense : Changes the amino acid codon. GGC->AGC Ser ->Glycine
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: i. May or maynot effect resulting protein 3. Nonsense : Changes amino acid codon to stop codon. AGA(Arg)->UGA (Stop) Produce premature protein-nonfunctional protein Frame shift Mutation : Nucleotide deletion changes the reading frame of codons Produces Nonfunctional Protein...
View Full Document

This note was uploaded on 11/17/2010 for the course BIO bio 101 taught by Professor C during the Spring '05 term at Diablo Valley College.

Ask a homework question - tutors are online