1. Editorial

   EditorialNotes Pages: 299 - 299

2. Mammalian T-lymphocyte antigen receptor genes: genetic and nongenetic potential to generate variability

   • J. T. Epplen
   • Johanna Chluba
   • H. Stockinger

   Review Article Pages: 300 - 310

3. Further evidence for genetic heterogeneity in the fragile X syndrome

   • W. T. Brown
   • E. C. Jenkins
   • G. S. Fisch

   Original Investigations Pages: 311 - 321

4. Liver glutathione S-transferase polymorphism in Japanese and its pharmacogenetic importance

   • Shoji Harada
   • Masato Abei
   • H. Werner Goedde

   Original Investigations Pages: 322 - 325

5. Chromosomal location by in situ hybridization of the human Sau3A family of DNA repeats

   • Alessandra Agresti
   • G. Rainaldi
   • E. Ginelli

   Original Investigations Pages: 326 - 332

6. Pericentric inversions in man: personal experience and review of the literature

   • A. Kleczkowska
   • J. P. Fryns
   • H. Van den Berghe

   Original Investigations Pages: 333 - 338

7. Human elongation factor 1α: a polymorphic and conserved multigene family with multiple chromosomal localizations

   • Ghislain Opdenakker
   • Yofre Cabeza-Arvelaiz
   • Jean-Jacques Cassiman

   Original Investigations Pages: 339 - 344

8. Fragile sites, chromosome evolution, and human neoplasia

   • Rosa Miró
   • Inmaculada Concepción Clemente
   • José Egozcue

   Original Investigations Pages: 345 - 349

9. Microinjection of normal cell extracts into Fanconi anemia fibroblasts corrects defective scheduled DNA synthesis recovery after 8-methoxypsoralen plus UVa treatment

   • M. M. Gök
   • E. Wunder

   Original Investigations Pages: 350 - 355

10. Cell cycle rate and sister chromatid exchange profile in polyethylene glycol-exposed/unexposed Bloom syndrome and normal cells

    • R. Bamezai
    • Y. Shiraishi

    Original Investigations Pages: 356 - 358

11. Cystic fibrosis: typing 48 German families with linked DNA probes

    • L. Mathy
    • W. Kampmann
    • K. Olek

    Original Investigations Pages: 359 - 361

12. Identification of a male-specific (H-Y) antigen on the flagellar plasma membrane of ram epididymal spermatozoa

    • Mark P. Bradley
    • Ian T. Forrester
    • Barbara F. Heslop

    Original Investigations Pages: 362 - 367

13. The effect of Gc genotype on fasting insulin level in Dogrib Indians

    • Emöke J. E. Szathmary

    Original Investigations Pages: 368 - 372

14. Proposal for a scoring of the quality of the banding of chromosomes

    • J. L. Huret
    • C. Leonard
    • A. Aurias

    Original Investigations Pages: 373 - 377

15. X-linked hypohidrotic ectodermal dysplasia: DNA probe linkage analysis and gene localization

    • A. Clarke
    • M. Sarfarazi
    • P. S. Harper

    Original Investigations Pages: 378 - 380

16. A DNA marker closely linked to the factor IX (haemophilia B) gene

    • Lois Mulligan
    • Jeanette J. A. Holden
    • Bradley N. White

    Original Investigations Pages: 381 - 383

17. Allele-specific DNA identity patterns

    • J. S. Wainscoat
    • S. Pilkington
    • D. R. Higgs

    Original Investigations Pages: 384 - 387

18. A complex balanced chromosomal rearrangement in repeated abortions

    • Alberto Barros
    • M. Carmo Tavares
    • M. Almeida e Costa

    Clinical Case Report Pages: 388 - 390

19. Paracentric inversion in a female with multiple miscarriages (7inv)(q2.13;q3.13)

    • L. Lamberti
    • E. Rabino Massa

    Case Observed Pages: 391 - 391

20. The origin and phenotype of XO males

    • M. Fraccaro
    • J. Lindsten
    • F. Lo Curto

    Letter to the Editors Pages: 392 - 392