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Genetics (Mutations # # (types of mutation (point mutation (smallest…

- - - - smallest mutation
      - single base is converted to another base
    - - piece of DNA is lost
    - - addition of extra DNA
    - - DNA is put backwards during repair
  - - - causes mutation
      - UV light, X-rays and radiation from radioactive substance
      - nitrous acid
        
        reacts with cytosine
        
        gives DNA G-U base pair in place of G-C
  - - - insertion sequences
      - transposon
  - - - may cause it to code for different protein
- - - - F1 generation
    - - two identical alleles in a gene
    - - two different alleles in a gene
  - - - plant's own pollen fertilize its own eggs
  - - - expressed
  - - - different possibility of phenotype
- - - - genes occur close together on a chromosome
- - - - alleles of both parent
  - - - do not undergo mitosis
    - - down syndrome