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What is the difference between IDIC(15) and Inverted Duplication 15?

April 26, 2017Duplication inverted

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What is the difference between IDIC(15) and Inverted Duplication 15?

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There is no difference. Over the years, genetics laboratories have used different terminology to describe the same finding. Both terms mean that there is an extra chromosome which is made up of a duplicated, inverted chromosome 15. Years ago, before one knew that the extra chromosome was a number 15, it and other extra chromosomes of unknown origin were simply called ‘supernumerary markers’.