Number+present
131Copy-number variation — This gene duplication has created a copy number variation. The chromosome now has two copies of this section of DNA, rather than one. Copy number variations (CNVs) a form of structural variation are alterations of the DNA of a genome that results …
132I Am Number Four — This article is about the novel. For the feature film based on this book, see I Am Number Four (film). I Am Number Four   …
