1. Mutations
Chapter 12-4

2. What are mutations? Any change to the genetic code Gene mutations:
A change in one or a few nucleotides in a gene
Chromosomal Mutations:
a change in the number or structure of chromosomes

3. What are mutations? Gene mutations:
1) Substitution: Change of one amino acid in the sequence
2)Frameshift: Shift in the reading frame that causes every amino acid after the mutation to be different.
Insertion or deletion

4. What are mutations? 1) Deletion: Loss of part / all
Chromosomal mutations:
A change in one or a few chromosomes
4 Types:
1) Deletion: Loss of part / all
2) Duplication: Segment is repeated
3) Inversion: Segment is reversed
4) Translocation: Segment breaks off and is reattached

5. Gene mutation: Substitution

6. Gene Mutation: Deletion or Insertion?

7. Gene Mutation:
Deletion
Insertion