1. Data on the CGG repeat at the fragile X site in the non-retarded Japanese population and family suggest the presence of a subgroup of normal alleles predisposing to mutate

   • Tadao Arinami
   • Midori Asano
   • Hideo Hamaguchi

   Original Investigations Pages: 431 - 436

2. Molecular genetics of GM2-gangliosidosis AB variant: a novel mutation and expression in BHK cells

   • Maria Schröder
   • Doris Schnabel
   • Konrad Sandhoff

   Original Investigations Pages: 437 - 440

3. Molecular and cytogenetic analyses of autism in Taiwan

   • Shuan-Yow Li
   • Yung-Cheng Joseph Chen
   • Yi-Chun Wang

   Original Investigations Pages: 441 - 445

4. Molecular analysis of factor VII deficiency in Italy: a frequent mutation (FVII Lazio) in a repeated intronic region

   • F. Bernardi
   • P. Patracchini
   • G. Marchetti

   Original Investigations Pages: 446 - 450

5. An adult-type metachromatic leukodystrophy caused by substitution of serine for glycine-122 in arylsulfatase A

   • Koichi Honke
   • Takahiko Kobayashi
   • Akira Makita

   Original Investigations Pages: 451 - 456

6. Supernumerary marker chromosomes in peripheral blood cells of hepatitis B virus chronic carriers

   • Daniela Simon
   • W. Thomas London
   • Barbara B. Knowles

   Original Investigations Pages: 457 - 460

7. Human malformations similar to those in the mouse mutation disorganization (Ds)

   • Nathaniel H. Robin
   • Olusina O. Adewale
   • Maja Bućan

   Original Investigations Pages: 461 - 464

8. Parental origin of triploidy in human fetuses: evidence for genomic imprinting

   • Deborah E. McFadden
   • Linda C. Kwong
   • Sylvie Langlois

   Original Investigations Pages: 465 - 469

9. Frequency of glucose-6-phosphate dehydrogenase (G6PD) mutations in Chinese, Filipinos, and Laotians from Hawaii

   • Y. Edward Hsia
   • Faye Miyakawa
   • Ernest Beutler

   Original Investigations Pages: 470 - 476

10. Diverse polymorphism within a short coding region of the human aldehyde dehydrogenase-5 (ALDH5) gene

    • David Sherman
    • Vibha Davé
    • Akira Yoshida

    Original Investigations Pages: 477 - 480

11. Paternal duplication of chromosome 5q11.2–5q14 in a male born with craniostenosis, ear tags, kidney dysplasia and several other anomalies

    • E. J. Breslau-Siderius
    • J. Th. Wijnen
    • P. Meera Khan

    Original Investigations Pages: 481 - 485

12. Hereditary triosephosphate isomerase (TPI) deficiency: two severely affected brothers one with and one without neurological symptoms

    • Susan Hollán
    • H. Fujii
    • Marianna Inselt-Kovács

    Original Investigations Pages: 486 - 490

13. Molecular analysis of mutations in the gene FMR-1 segregating in fragile X families

    • P. Steinbach
    • D. Wöhrle
    • M. Zank

    Original Investigations Pages: 491 - 498

14. Spondyloepiphyseal dysplasia and precocious osteoarthritis in a family with an Arg₇₅→Cys mutation in the procollagen type II gene (COL2A1)

    • Charlene J. Williams
    • Eileen L. Considine
    • Darwin J. Prockop

    Original Investigations Pages: 499 - 505

15. Acceptor splice site mutation in the invariant AG of intron 5 of the protein C gene, causing type I protein C deficiency

    • José Manuel Soria
    • Jordi Fontcuberta
    • Núria Sala

    Short Communications Pages: 506 - 508

16. A rare reciprocal translocation (12;21) segregating for nine generations

    • Sari Koskinen
    • Tuija Onnelainen
    • Juha Kere

    Short Communications Pages: 509 - 512

17. Gaucher disease (Norrbottnian type III): probable founders identified by genealogical and molecular studies

    • Niklas Dahl
    • Per-Olof Hillborg
    • Agneta Olofsson

    Short Communications Pages: 513 - 515

18. Assignment of the human aggrecan gene AGC1 to 15q25→q26.2 by in situ hybridization

    • Walter Just
    • Christine Klett
    • Walther Vogel

    Short Communications Pages: 516 - 518

19. A novel Cys-214-Ser mutation in the peripherin/RDS gene in a Japanese family with autosomal dominant retinitis pigmentosa

    • Masamichi Saga
    • Yukihiko Mashima
    • Nobuyoshi Shimizu

    Short Communications Pages: 519 - 521

20. Centromeric association of a microchromosome in a Turner syndrome patient with a pseudodicentric Y

    • H. Rivera
    • M. G. Domínguez
    • R. Fragoso

    Clinical Case Report Pages: 522 - 524

21. A myeloblastin/proteinase-3 cDNA clone identifies a BglII and a PvuII restriction fragment length polymorphism

    • J. Schwaller
    • T. Chen
    • A. Tobler

    DNA Variants Pages: 525 - 525

22. Announcements

    Announcement Pages: 526 - 526