1. Cytological findings of 10 cases with i(Xq) and one with dic(X)(qter→cen→p22:: p11→qte)

   • Hiroko Fujita
   • Yoko Tanigawa
   • Yoshiaki Okada

   Original Investigations Pages: 147 - 155

2. Likely linkage: Inv with Jk

   • B. J. B. Keats
   • N. E. Morton
   • D. C. Rao

   Original Investigations Pages: 157 - 159

3. Study of the human male meiosis

   • M. L. De Torres
   • J. A. Abrisqueta

   Original Investigations Pages: 161 - 168

4. Quantitative analysis of C-bands based on optical density profiles in human chromosomes

   • V. A. Benyush
   • V. G. Luckash
   • A. V. Shtannikov

   Original Investigations Pages: 169 - 175

5. Replication bypass model of sister chromatid exchanges and implications for Bloom's Syndrome and Fanconi's anemia

   • David A. Shafer

   Original Investigations Pages: 177 - 190

6. Three rare G-6-PD variants from Porto Alegre, Brazil

   • Mara H. Hutz
   • A. Yoshida
   • F. M. Salzano

   Original Investigations Pages: 191 - 197

7. Gm and Km(Inv) frequencies in two Roumanian populations

   • Walter E. Johnson
   • Peter H. Kohn
   • Arthur G. Steinberg

   Original Investigations Pages: 199 - 211

8. Variable composition of X chromosomal mosaics: Due to asynchronous cell division during early embryogenesis?

   • Hans-Hilger Ropers
   • Tiemo Grimm

   Short Communications Pages: 213 - 215

9. Chromosome banding study of the Cornelia de Lange syndrome

   • J. R. Merikangas
   • K. Merikangas
   • S. Pan

   Short Communications Pages: 217 - 219

10. Grandmaternal age at birth of parents of children with trisomy 21

    • Z. Papp
    • É. Váradi
    • Z. Szabó

    Short Communications Pages: 221 - 224

11. Serum Gc system in liver cirrhosis and hepatoma

    • George Theodoropoulos
    • Gerasimos Rigatos
    • Kimon Melissinos

    Short Communications Pages: 225 - 228

12. A case of chronic myeloid leukemia with a translocation (12;22)(p13;q11)

    • M. van der Blij-Philipsen
    • W. P. M. Breed
    • T. W. J. Hustinx

    Clinical Case Reports Pages: 229 - 231

13. Interstitial deletion of the long arm of chromosome 2 in a polymalformed newborn-karyotype: 46,XX,del(2)(q21;q24)

    • J. P. Fryns
    • B. Van Bosstraeten
    • H. Van den Berghe

    Clinical Case Reports Pages: 233 - 238

14. Pericentric inversion and partial monosomy 4q associated with congenital anomalies

    • Françoise Serville
    • A. Broustet

    Clinical Case Reports Pages: 239 - 242

15. 18p- Syndrome resulting from 14q/18q ‘dicentric’ fusion translocation

    • Steve J. Funderburk
    • Robert S. Sparkes
    • Ivana Klisak

    Clinical Case Reports Pages: 243 - 250

16. Human triploid embryo

    • J. del Mazo
    • M. A. Martinez González
    • J. A. Abrisqueta

    Clinical Case Reports Pages: 251 - 256

17. Scientific method and the Philadelphia chromosome

    • Peter H. Fitzgerald

    Letters to the Editors Pages: 257 - 259