Comparative cytological study of Phasianus colchicus, Meleagris gallopavo, and Gallus domesticus Christina SteniusLawrence C. ChristianSusumu Ohno OriginalPaper Pages: 515 - 520
On the structure of the XY bivalent in Mus musculus L. Irene Geyer-Duszyńska OriginalPaper Pages: 521 - 525
The cytology of achiasmatic meiosis in the female Tigriopus (copepoda) Abbas H. Ar-rushdi OriginalPaper Pages: 526 - 539
A structural anomaly of the satellite in Haplopappus gracilis Om P. Kamra OriginalPaper Pages: 540 - 544
Allocyclic segments of chromosomes and the structural heterozygosity that they reveal A. F. Dyer OriginalPaper Pages: 545 - 576
Autonomous and interrelated formation of chiasmata in Delphinium chromosomes S. L. BasakH. K. Jain OriginalPaper Pages: 577 - 587
Crossing over bei Bastarden von Chironomus thummi piger × Ch. thummi thummi H. -G. Keyl OriginalPaper Pages: 588 - 599
Vesicle formation from the nuclear envelope in amphibian oocytes Saul Wischnitzer OriginalPaper Pages: 600 - 608