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Genetics (Concepts (Monohybrid cross (Only a single character is analyzed…

- - - - Mutations make varying genotypes and phenotypes
- - - - The addition of extra DNA
- - - - Each gene exists in at least two copies
        
        One on each of the two chromatids
    - - Opening sufficiently to allow entry of the necessary replicating factors
        
        1 strand of DNA double helix is cut and the two strands seperate
        
        Form a small bubble called replicon
      - DNA does not release from the histones
  - - - Semiconservative replication occurs next
- - - - Many mutagenic chemicals are man made
        
        Over time are increasing in our environment
    - - Certain chemicals
      - Ultraviolet light
      - X-rays
      - Radiation from radioactive substances
  - - - Only a few thousand base pairs long
        
        Contain the genes that code for the enzyme actually involve in cutting the insertion sequence out and splicing it into DNA somewhere else
    - - Like an insertion sequence except that it may be much longer
        
        Carries genes that code for proteins not associated with transposition