1. Facts and considerations about sex-specific antigens

   • Ulf H. Wiberg

   Review Article Pages: 207 - 214

2. Comments

   • Paul Burgoyne

   Review Article Pages: 215 - 215

3. Of testis and H-Y antigen

   • Susumu Ohno

   Review Article Pages: 215 - 216

4. Immunologic comments

   • Elizabeth Simpson

   Review Article Pages: 217 - 218

5. Sxs antigen and the heterogametic gonad

   • Ulrich Wolf

   Review Article Pages: 218 - 219

6. Short reply to the comments by Dr. Simpson

   • Ulf H. Wiberg

   Review Article Pages: 219 - 219

7. Gene organization of haplotypes expressing two different C4A allotypes

   • A. Palsdottir
   • A. Arnason
   • O. Jensson

   Original Investigations Pages: 220 - 224

8. Submicroscopic duplication of chromosome 21 and trisomy 21 phenotype (Down syndrome)

   • J. M. Delabar
   • P. M. Sinet
   • J. de Grouchy

   Original Investigations Pages: 225 - 229

9. Sporadic cases in Duchenne muscular dystrophy

   • Antonella Russo
   • Guido Barbuiani
   • Gian Antonio Danieli

   Original Investigations Pages: 230 - 235

10. Human δ-aminolevulinate dehydratase: chromosomal localization to 9q34 by in situ hybridization

    • Venkateswara R. Potluri
    • Kenneth H. Astrin
    • Robert J. Desnick

    Original Investigations Pages: 236 - 239

11. An improved method for detecting Y chromosomal DNA

    • John R. D. Stalvey
    • Robert P. Erickson

    Original Investigations Pages: 240 - 243

12. Isoacentric and isocentric chromosomes originating after deletions of human chromosomes

    • B. Dutrillaux
    • W. Al Achkar
    • E. Viegas-Pequignot

    Original Investigations Pages: 244 - 247

13. Linkage analysis with RFLPs in families with androgen resistance syndromes: evidence for close linkage between the androgen receptor locus and the DXS1 segment

    • Peter Wieacker
    • James E. Griffin
    • Meinert Breckwoldt

    Original Investigations Pages: 248 - 252

14. RFLP analysis in families with sporadic hemophilia A

    • F. Bernardi
    • G. Marchetti
    • F. Conconi

    Original Investigations Pages: 253 - 256

15. Detection of submicroscopic deletions and a DNA polymorphism at the retinoblastoma locus

    • B. Horsthemke
    • Valerie Greger
    • E. Passarge

    Original Investigations Pages: 257 - 261

16. MspI polymorphic site within the Factor IX gene

    • Debra L. Freedenberg
    • Shi-Han Chen
    • C. Ronald Scott

    Original Investigations Pages: 262 - 264

17. Contribution of magnetic resonance imaging to the knowledge of CNS malformations related to chromosomal aberrations

    • J. C. Tamraz
    • Marie-Odile Rethoré
    • E. A. Cabanis

    Original Investigations Pages: 265 - 273

18. Rapid RFLP screening procedure identifies new polymorphisms at albumin and alcohol dehydrogenase loci

    • Jeffrey C. Murray
    • Rita Shiang
    • Kenneth H. Buetow

    Original Investigations Pages: 274 - 277

19. Biochemical and genetic exclusion of calmodulin as the site of the basic defect in cystic fibrosis

    • P. J. Scambler
    • M. A. McPherson
    • R. Williamson

    Original Investigations Pages: 278 - 282

20. Assignment of the human gamma-glutamyl transferase gene to the long arm of chromosome 22

    • F. Bulle
    • M. G. Mattei
    • G. Guellaën

    Original Investigations Pages: 283 - 286

21. Human α-globin maps to pter-p13.3 in chromosome 16 distal to PGP

    • M. H. Breuning
    • K. Madan
    • P. L. Pearson

    Original Investigations Pages: 287 - 289

22. A method for nucleic acid hybridization to isolated chromosomes in suspension

    • Gertrud Dudin
    • Thomas Cremer
    • Christoph Cremer

    Original Investigations Pages: 290 - 292

23. Detection of BrdUrd incorporation in mammalian chromosomes by a BrdUrd antibody

    • A. Latos-Bielenska
    • H. Hameister
    • W. Vogel

    Short Communications Pages: 293 - 295

24. Different severity of homozygous β-thalassemia among siblings

    • P. Winichagoon
    • S. Fucharoen
    • P. Wasi

    Short Communications Pages: 296 - 297

25. Trisomy 22 in a newborn with multiple malformations

    • I. Voiculescu
    • Elke Back
    • W. Schempp

    Clinical Case Report Pages: 298 - 301

26. Ring chromosome 15 in a mother and her children

    • Wakae Fujimaki
    • Keiko Baba
    • Yasushige Mashima

    Case Observed Pages: 302 - 302