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A natural variation in a gene, piece of DNA, protein, or chromosome that has no apparent effect on the individual who inherits it.
Articles using this Glossary Item
|Persistent asthma later in life linked to high number of risk genes||28 June 2013||News|
|Environmental factors do not heighten the genetic risks of breast cancer||7 June 2010||News|
|PGS: select or reject? - it's not just about improving pregnancy rates||20 November 2006||Comment|
|Premature birth gene identified||29 August 2006||News|