Circular and linear structures in chromatin diminution of Cyclops Sigrid Beermann OriginalPaper Pages: 321 - 328
A cytological analysis of the Scutoid mutation of Drosophila melanogaster, and its induced revertants Michael AshburnerGlynnis Harrington OriginalPaper Pages: 329 - 337
Isolation and chromosomal localization of ecdysterone-responsive genes in a Drosophila cell line J. L. CoudercJ. L. BeckerM. L. Pardue OriginalPaper Pages: 338 - 342
Relationships within the melanogaster species subgroup of the genus Drosophila (Sophophora) F. LemeunierM. Ashburner OriginalPaper Pages: 343 - 351
Linkage relationships and chromosomal locations of enzyme-coding genes in pepper, Capsicum annuum Steven D. Tanksley OriginalPaper Pages: 352 - 360
Somatic karyotype, heterochromatin distribution, and nature of chromosome differentiation in common wheat, Triticum aestivum L. em Thell T. Ryu EndoBikram S. Gill OriginalPaper Pages: 361 - 369
Nucleolar organizer activity in wheat, rye and derivatives analyzed by a silver-staining procedure M. C. CermeƱoJ. OrellanaJ. R. Lacadena OriginalPaper Pages: 370 - 376
Chromosome polymorphism and constitutive heterochromatin in the Atlantic salmon, Salmo salar S. E. HartleyM. T. Horne OriginalPaper Pages: 377 - 380
The morphological sequence of XY pairing in the Norway rat Rattus norvegicus A. M. JosephAnn C. Chandley OriginalPaper Pages: 381 - 386
Selective staining of the same set of nucleolar phosphoproteins by silver and Giemsa Charles H. C. M. BuysJan Osinga OriginalPaper Pages: 387 - 396