duplicate

Although some of the duplicated genes have since been lost, Ma thinks the duplication events may have given rise to altered or alternative transcription sites.

Air traffic control systems handling the flight were confused by a duplicate code - DVL - representing both Deauville in France and Devil's Lake in North Dakota, USA.

But Robinson could not duplicate his previous success.

The commission says the US company whose system it used maintained that "duplicating a voter on the voter list is impossible, as each voter is registered only once".

Both companies deny liability and argue that this overseas legal action is "unnecessary" and duplicates legal proceedings in Brazil.