Depending on how the chromosome represents the solution, a direct swap may not be possible.

The deal was part of a direct swap that meant Milan were given 50% of Kevin Constant's registration rights.

Co-currently, Vicenza excised the option to sign Schiavi outright for the same price, made the deal a direct cashless swap.

His stay there lasted twelve months; in March 1951 he moved to Watford in a direct swap for fellow centre forward Ray Garbutt.

For example, if a wheat farmer needs what a fruit farmer produces, a direct swap is impossible as seasonal fruit would spoil before the grain harvest.

In January 2010 he joined Bologna in a co-ownership deal, in a direct swap with Francesco Valiani.

LETS networks use interest-free local credit so direct swaps do not need to be made.

It is important because it raises further doubt about President Reagan's early insistence that he never approved a direct swap of arms for hostages.

Bender moved to Karlsruhe in 1992 after a bad end-of-season result, in a direct swap with Mehmet Scholl.

In November 1986 Radio Tees moved its FM frequency to 96.6 in a direct swap with BBC Radio Cleveland.