title: 25 years of a unique chromosome-breakage system. I. Principal features and comparison to other systems.
abstract: The principal features of the D. robusta chromosome-breakage system are reviewed and compared to intrinsic chromosome-breakage systems in other Drosophila species, particularly the 'hybrid dysgenesis' systems of D. melanogaster. The data indicate that the D. robusta system is unique in many respects, especially in its combination of a reciprocal cross effect, traceable to its maternal or cytoplasmic inheritance, exclusive susceptibility of the paternal chromosomes, and the randomness of the breaks on the chromosomes.
mesh_terms: D000818:Animals; D002869:Chromosome Aberrations; D002875:Chromosomes / Q000648:ultrastructure; D004330:Drosophila / Q000235:genetics*; D005260:Female; D005821:Genetic Techniques / Q000266:history; D049673:History, 20th Century; D008297:Male; D013696:Temperature