There have also been fears that the types of subjects and qualifications taken by pupils can be divided by social background - such as modern languages becoming increasingly dominated by pupils in independent schools.

BBC: English lit 'shunned by students'

Although the protein produced by each gene is unique, most proteins can be divided into a series of recognisable modules known as domains.

ECONOMIST: The first complete DNA sequence of an animal is now in the bag

Worse still is the idea that cheating by one ethnic group can be anything other than destabilising in a divided society like that of Macedonia.

ECONOMIST: Letters