H3-Thymidin-Markierung einzelner Chromatiden in Riesenchromosomen W. BeermannC. Pelling OriginalPaper Pages: 1 - 21
Transition from polyteny to polyploidy in salivary glands of Cecidomyiidae Bohdan Matuszewski OriginalPaper Pages: 22 - 34
Experimental puffs in salivary gland chromosomes of Drosophila hydei H. D. BerendesF. M. A. van BreugelTh. K. H. Holt OriginalPaper Pages: 35 - 46
Geographical variation of chromosomal structure in Drosophila gasici Danko BrncicSusi Koref-Santibañez OriginalPaper Pages: 47 - 57
Über den Transport zelleigener Makromoleküle durch die Kernmembran Karlheinz Bier OriginalPaper Pages: 58 - 69
Chromosomal polymorphism in Rattus rattus (L.) collected in Kusudomari and Misima Tosihide H. YosidaAkira NakamuraTakako Fukaya OriginalPaper Pages: 70 - 78
Peculiarities of ovine cells in culture Walter A. Nelson-ReesAlexis J. KniazeffNorman B. Darby Jr. OriginalPaper Pages: 79 - 89
Cytological study of Searle's X-autosome translocation in Mus musculus Susumu OhnoMary F. Lyon OriginalPaper Pages: 90 - 100
Chromosomenaberrationen bei Vicia paba und Ascitestumoren der Maus nach Einwirkung von N-nitroso-N-Methylharnstoff A. MichaelisJ. SchöneichR. Rieger OriginalPaper Pages: 101 - 123
The site of rapidly labelled ribonucleic acid in nucleoli L. P. La CourJ. W. C. Crawley OriginalPaper Pages: 124 - 132