| Types
of mutations |
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| - | Deletions
a part of the DNA is missing |
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| anywhere
from 1 base pair to parts of |
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| chromosomes. |
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| - | Insertions
of new DNA again ranging from 1 |
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| to many
base pairs |
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| - | Point
mutations; a change in the nucleotide. |
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| Two
types |
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| - | Transitions
Purine to other purine or pyrimidine to |
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| other
pyrimidine. |
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| - | Transversions:
Purine to Pyrimidine or Pyrimidine to |
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| Purine. |
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