Chromosomal abnormalities in F1-diploid hybrids between Clarkia lassenensis and C. Amoena ssp. Huntiana Fathi Abdel-Hameed OriginalPaper Pages: 3 - 24
The effect of eye reduction on White position-effect variegation in Drosophila melanogaster F. M. A. van Breugel OriginalPaper Pages: 25 - 42
Patterned disjunction in Drosophila melanogaster. I. Assortment of SPA pol /+ and X, Y in the stock N1 L. T. DouglasM. E. van Meekeren OriginalPaper Pages: 43 - 60
Puffing patterns in the salivary gland chromosomes of the melonfly, Dacus cucurbitae H. N. B. GopalanC. M. S. Dass OriginalPaper Pages: 61 - 75
Aberrant meiosis and spindle abnormalities in Paspalum paspaloides (Michx.) Scribn (Gramineae) P. K. GuptaA. K. Srivastava OriginalPaper Pages: 76 - 83
Investigations on the artificial synthesis of amphidiploids of Brassica tournefortii Gouan with the other elementary species of Brassica. I. Genomic relationships Anubhava NarainShyam Prakash OriginalPaper Pages: 90 - 97
On the relationship between stored sperm and progeny produced in females of Drosophila melanogaster G. OlivieriC. TanzarellaA. Micheli OriginalPaper Pages: 98 - 105
Evolution and improvement of cultivated amaranths. III. Amaranthus spinosus-dubius complex Mohinder Pal OriginalPaper Pages: 106 - 118
Evolution and improvement of cultivated amaranths. IV. Variation in pollen mitosis in the F1 amaranthus spinosus x A. Dubius Mohinder PalT. N. Khoshoo OriginalPaper Pages: 119 - 129
Pattern of DNA segregation in multipolar anatelophases of different ploidy in euploid and aneuploid mammalian cells cultivated in vitro F. BalittiM. Rizzoni OriginalPaper Pages: 130 - 147
Wachstum kleiner laborpopulationen von Drosophila subobscura, die sich nach genotypischer und karyotypischer zusammensetzung unterscheiden W. Püntener OriginalPaper Pages: 148 - 171