1. Variation
Mutations & Mixing

2. Mutation Videos

3. Mutations during DNA Replication
Part of a chromosome (e.g. a gene)
Point Mutations
Deletions
Insertions
Chromosomal Mutations (e.g. many genes)
Deletions
Duplications
Inversions
Translocations

4. Meiosis Video

5. Mixing during Meiosis Crossing Over Independent Segregation
Independent Assortment
Fertilisation

6. Discussion Questions
Which type of cell division results in mutations being inherited? Why?
How do we know whether a mutation is harmful, silent or beneficial?
Why aren’t fraternal twins identical?