Mapping the ‘breaker’ element of the gametocidal locus proximal to a block of sub-telomeric heterochromatin on the long arm of chromosome 4Ssh of Aegilops sharonensis

Key message The ‘breaker’ element (GcB) of the gametocidal locus derived fromAegilops sharonensishas been mapped to a region proximal to a block of sub-telomeric heterochromatin on chromosome 4SshL.