Either an insertion or deletion mutation in the genetic code.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "indel" in a sentence
"Because in my first chapter I created a sequence simulation program, Dawg, that could simulate evolution using a power law of indel sizes, I felt that it was important to test this suggestion out."
"On another note, as I recall from my undergraduate days, we learned that a “mutation” was simply a change in the DNA RNA, certain viruses base sequence, be it a point mutation, indel, inversion…silent or otherwise."
"The film was so well done in these regards that it has left an indel - ible imprint on our common knowledge regarding not just Count Dracula, but vampires in general."