1. X chromosome constitution and the human female phenotype

   • Eeva Therman
   • C. Denniston
   • Margaret Ulber

   Review Articles Pages: 133 - 143

2. A ring 14 chromosome with deleted short arm

   • A. P. Amarose
   • Elizabeth Dorus
   • Sonia Csaszar

   Original Investigations Pages: 145 - 147

3. A gene controlling H-Y antigen on the X chromosome

   • U. Wolf
   • M. Fraccaro
   • H. Hameister

   Original Investigations Pages: 149 - 154

4. Induction of sister chromatid exchanges by hydroxylamine, hydrazine and isoniazid and their inhibition by cysteine

   • G. Speit
   • C. Wick
   • M. Wolf

   Original Investigations Pages: 155 - 158

5. Assignment of the human gene for phosphoglycolate phosphatase to chromosome 16

   • R. S. Sparkes
   • T. Mohandas
   • J. D. Shulkin

   Original Investigations Pages: 159 - 161

6. The quantitative analysis of polymorphism on human chromosomes 1, 9, 16 and Y

   • O. A. Podugolnikova
   • A. P. Korostelev

   Original Investigations Pages: 163 - 169

7. Silver-Stained accessory structures on human sex chromosomes

   • S. Pathak
   • F. F. B. Elder

   Original Investigations Pages: 171 - 175

8. Differences in the levels of UV repair and in clinical symptoms in two sibs affected by xeroderma pigmentosum

   • Miria Stefanini
   • Wilma Keijzer
   • Fiorella Nuzzo

   Original Investigations Pages: 177 - 182

9. The effect of caffeine posttreatment of X-ray-induced chromosomal aberrations in human blood lymphocytes in vitro

   • A. T. Natarajan
   • G. Obe
   • F. N. Dulout

   Original Investigations Pages: 183 - 189

10. PK3: A new chromosome enzyme marker for gene dosage studies in chromosome 15 imbalance

    • C. Junien
    • H. Rubinson-Skala
    • J. C. Kaplan

    Original Investigations Pages: 191 - 196

11. X-linked steroid sulfatase: Evidence for different gene-dosage in males and females

    • C. R. Müller
    • Beate Migl
    • H. H. Ropers

    Original Investigations Pages: 197 - 199

12. Regional assignment of the gene locus for steroid sulfatase

    • C. R. Müller
    • A. Westerveld
    • H. H. Ropers

    Original Investigations Pages: 201 - 204

13. Assignment by deletion mapping of the steroid sulfatase X-linked ichthyosis locus to Xp223

    • L. Tiepolo
    • Orsetta Zuffardi
    • H. H. Ropers

    Original Investigations Pages: 205 - 206

14. Cold synchronization for the study of peripheral blood and bone marrow chromosomes in leukemias and other hematologic disease states

    • Bonnie Boucher
    • C. S. Norman

    Original Investigations Pages: 207 - 211

15. Intracellular concentrations of phenylalanine, tyrosine and α-aminobutyric acid in 13 homozybotes and 19 heterozygotes for phenylketonuria (PKU) compared with 26 normals

    • O. Thalhammer
    • A. Pollak
    • Helga Königshofer

    Original Investigations Pages: 213 - 216

16. Comparison of N banding and silver staining of human NORs

    • Eileen Fleming Taylor
    • Patricia A. Martin-DeLeon

    Original Investigations Pages: 217 - 219

17. Double one-dimensional electrophoresis of human serum transferrin: A new high-resolution screening method for genetically determined variation

    • K. Altland
    • R. Hackler
    • W. Knoche

    Original Investigations Pages: 221 - 231

18. Erythrocyte G-6-PD and 6-PGD genetic polymorphisms in South African Negroes, with a note on G-6-PD and the malaria hypothesis

    • H. W. Hitzeroth
    • K. Bender

    Original Investigations Pages: 233 - 242

19. Down's syndrome in Wallonia (South Belgium), 1971–1978: Cytogenetics and incidence

    • L. Koulischer
    • Y. Gillerot

    Original Investigations Pages: 243 - 250

20. Heterogeneity in β⁰ thalassemia from Algeria: Genetic, clinical and molecular studies

    • Mériem Belhani
    • F. Morlé
    • Jacqueline Godet

    Original Investigations Pages: 251 - 257

21. Sibling correlations and genetic estimates for selected blood variables in French Canadian children

    • C. Bouchard
    • A. Demirjian
    • E. Mongeau

    Original Investigations Pages: 259 - 263

22. Cd bands and centromeric function in dicentric chromosomes

    • Paola Maraschio
    • Orsetta Zuffadi
    • F. Lo Curto

    Short Communications Pages: 265 - 267

23. Linkage of genes for chronic granulomatous disease and Xg

    • G. Wolff
    • C. R. Müller
    • A. Jobke

    Short Communications Pages: 269 - 271

24. Galactose-1-phosphate-uridyltransferase (E.C.2.7.7.11): A simple routine method for detecting individuals heterozygous for the silent allele Gt ⁰

    • G. Siebert
    • J. Kömpf
    • H. Ritter

    Short Communications Pages: 273 - 275

25. The pipette method: A new rapid technique for chromosome analysis in prenatal diagnosis

    • Uwe Claussen

    Short Communications Pages: 277 - 278

26. A duplication-deficiency X chromosome in a girl with severe mental retardation

    • N. Sacchi
    • L. Dalprà
    • E. Kehyayan

    Clinical Case Reports Pages: 279 - 281

27. Cerebro-costo-mandibular syndrome

    • Katsuhiko Tachibana
    • Yoshifumi Yamamoto
    • Yoshikazu Kuroki

    Clinical Case Reports Pages: 283 - 286

28. Erratum

    Erratum Pages: 287 - 287