Deletion (genetics) - Types

Types

Types of deletion include the following:

  • 'Terminal Deletion' - a deletion that occurs towards the end of a chromosome.
  • Intercalary Deletion / Interstitial Deletion - a deletion that occurs from the interior of a chromosome.
  • microdeletion - a relatively small amount of deletion (up to 5kb that could include a dozen genes).

Microdeletion usually can be found in children with physical abnormalities, because large amount of deletion results in immediate abortion.

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