1. Duplication in the hypoxanthine phosphoribosyl-transferase gene caused by Alu-Alu recombination in a patient with Lesch Nyhan syndrome

   • Suzanne Marcus
   • Dennis Hellgren
   • Jan Wahlström

   Original Investigations Pages: 477 - 482

2. Prenatal sex determination from maternal peripheral blood using the polymerase chain reaction

   • Y. -M. Dennis Lo
   • Pushpa Patel
   • Kenneth A. Fleming

   Original Investigations Pages: 483 - 488

3. Molecular study of chromosome 15 in 22 patients with Angelman syndrome

   • Joke Beuten
   • Kathelijne Mangelschots
   • Patrick J. Willems

   Original Investigations Pages: 489 - 495

4. Localization of the intronless gene coding for calmodulin-like protein CLP to human chromosome 10p13-ter

   • M. W. Berchtold
   • M. Koller
   • E. E. Strehler

   Original Investigations Pages: 496 - 500

5. Genetic linkage analysis of Canadian spinal muscular atrophy kindreds using flanking microsatellite 5q13 polymorphisms

   • Alex MacKenzie
   • Natalie Roy
   • Linda Surh

   Original Investigations Pages: 501 - 504

6. Cloning and chromosome mapping of human retinoid X receptor β: selective amino acid sequence conservation of a nuclear hormone receptor in mammals

   • K. Fleischhauer
   • O. W. McBride
   • S. Y. Yang

   Original Investigations Pages: 505 - 510

7. Decreased extracellular deposition of fibrillin and decorin in neonatal Marfan syndrome fibroblasts

   • Michael Raghunath
   • Andrea Superti-Furga
   • Beat Steinmann

   Original Investigations Pages: 511 - 515

8. A new polymorphic marker (D10S97) tightly linked to the multiple endocrine neoplasia type 2A (MEN2A) locus

   • Jay B. Lichter
   • Jingshi Wu
   • Kenneth K. Kidd

   Original Investigations Pages: 516 - 520

9. Polymorphisms and linkage disequilibrium in the COL6A1 and COL6A2 gene cluster: novel DNA polymorphisms in the region of a candidate gene for congenital heart defects in Down's syndrome

   • G. E. Davies
   • C. M. Howard
   • A. M. Kessling

   Original Investigations Pages: 521 - 525

10. Molecular evaluation of an Alu repeat including a polymorphic variable poly(dA) (AluVpA) in the vitamin D binding protein (DBP) gene

    • Andreas Braun
    • Regina Bichlmaier
    • Hartwig Cleve

    Original Investigations Pages: 526 - 532

11. Chromosomal analysis of unfertilized human oocytes prepared by a gradual fixation-air drying method

    • Yujiroh Kamiguchi
    • Bernd Rosenbusch
    • Kazuya Mikamo

    Original Investigations Pages: 533 - 541

12. The human interleukin-6 receptor α chain gene is localized on chromosome 1 band q21

    • Petra M. C. Kluck
    • Joop Wiegant
    • James E. Landegent

    Original Investigations Pages: 542 - 544

13. Linkage studies in Italian families with familial adenomatous polyposis

    • Cristina Mareni
    • Alessandro Stella
    • Ginevra Guanti

    Original Investigations Pages: 545 - 550

14. X chromosome linkage studies in familial Rett syndrome

    • Andrew R. J. Curtis
    • Sophie Headland
    • Shomi Bhattacharya

    Original Investigations Pages: 551 - 555

15. Exclusion of two candidate pigment loci, c and b, part of chromosome 11p, and 33 random polymorphic markers as the locus for tyrosinase-positive oculocutaneous albinism

    • M. A. Colman
    • G. Stevens
    • T. Jenkins

    Original Investigations Pages: 556 - 560

16. Apolipoprotein B signal peptide polymorphism in patients with myocardial infarction and controls

    • S. Visvikis
    • J. P. Cambou
    • F. Cambien

    Original Investigations Pages: 561 - 565

17. Linkage mapping of the cystathionine β-synthase (CBS) gene on human chromosome 21 using a DNA polymorphism in the 3′ untranslated region

    • Dimitrios Avramopoulos
    • Tara Cox
    • Stylianos E. Antonarakis

    Original Investigations Pages: 566 - 568

18. A study of genetic linkage heterogeneity in 35 adult-onset polycystic kidney disease families

    • Alan F. Wright
    • Peter W. Teague
    • Michael L. Watson

    Original Investigations Pages: 569 - 571

19. Distribution of DYZ2 repetitive sequences on the human Y chromosome

    • P. Ludeña
    • J. Fernández-Piqueras
    • C. Sentís

    Short Communication Pages: 572 - 574

20. A polymorphism in the 5′ region of coagulation factor VII gene (F7) caused by an inserted decanucleotide

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

    OriginalPaper Pages: 575 - 576