<unk>  (or chromosomal<unk>  or<unk>  amplification) is a major mechanism through which new<unk> tic material is<unk> rated during molecular evolution. It can be defined as any<unk>  of a region of DNA that contains a<unk> .<unk> s can arise as products of several types of errors in DNA replication and repair machinery as well as through fortuitous capture by selfish<unk> tic elements. Common sources of<unk> s include ectopic recombination, retrotransposition event, aneuploidy, polyploidy, and replication slippage.
Gene duplication
Copy number variation
Exon shuffling
Exon skipping
Postzygotic mutation
Fusion transcript
Osseoincorporation
Robertsonian translocation