Synaptonemal complex analysis of chromosome rearrangements in domestic fowl, Gallus domesticus

Abstract
Electron microscopy of synaptonemal complexes in heterokaryotypic Gallus domesticus cockerels revealed that chromosome rearrangements that had been classified by light microscopy as single breaks were in fact reciprocal translocations. A microchromosome provided the centromere for the acentric long arm of chromosome 1 in a rearrangement that had been classified as a centric fission, and microchromosomes were involved in several other rearrangements. The translocation points were mapped in three of the rearrangements.

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