1. Multilocus analysis of the fragile X syndrome

   • W. T. Brown
   • A. Gross
   • N. J. Carpenter

   Original Investigations Pages: 201 - 205

2. Turner's syndrome: a qualitative and quantitative analysis of EEG background activity

   • Takayuki Tsuboi
   • Johannes Nielsen
   • Itaru Nagayama

   Original Investigations Pages: 206 - 215

3. Linkage disequilibrium analyses and restriction mapping of four RFLPs at the proα2(I) collagen locus: lack of correlation between linkage disequilibrium and physical distance

   • A. L. Børresen
   • P. Møller
   • K. Berg

   Original Investigations Pages: 216 - 221

4. Deletion proximal to DXS68 locus (L1 probe site) in a boy with Duchenne muscular dystrophy, glycerol kinase deficiency, and adrenal hypoplasia

   • J. Chelly
   • F. Marlhens
   • J. -C. Kaplan

   Original Investigations Pages: 222 - 227

5. DNA linkage analysis of X-linked retinoschisis

   • N. Dahl
   • P. Goonewardena
   • U. Pettersson

   Original Investigations Pages: 228 - 232

6. Homozygous osteogenesis imperfecta unlinked to collagen I genes

   • Katherine Aitchison
   • Donald Ogilvie
   • Bryan Sykes

   Original Investigations Pages: 233 - 236

7. A PvuII polymorphism in the 5′ flanking region of the apolipoprotein AIV gene: its use to study genetic variation determining serum lipid and apolipoprotein concentration

   • Anna M. Kessling
   • Rohan Taylor
   • Steve E. Humphries

   Original Investigations Pages: 237 - 239

8. Heat resistance, immunological and quantitative changes of neutrophil alkaline phosphatase in trisomy 21 pregnancies

   • J. Grozdea
   • H. Vergnes
   • P. Colombies

   Original Investigations Pages: 240 - 243

9. A physical map of the apolipoprotein gene cluster on human chromosome 19

   • Ola Myklebost
   • Sissel Rogne

   Original Investigations Pages: 244 - 247

10. Transposition of c-abl oncogene in a case of masked Ph chromosome duplicated in blastic phase

    • Emanuela Maserati
    • P. Cavalli
    • F. Pasquali

    Original Investigations Pages: 248 - 250

11. Fluorescence in situ hybridization to interphase cell nuclei in suspension allows flow cytometric analysis of chromosome content and microscopic analysis of nuclear organization

    • Barbara Trask
    • Ger van den Engh
    • Joe Gray

    Original Investigations Pages: 251 - 259

12. The possible role of meiotic pairing anomalies in the atresia of human fetal oocytes

    • R. M. Speed

    Original Investigations Pages: 260 - 266

13. Association of a new chromosomal deletion [del(1)(q32q42)] with diaphragmatic hernia: assignment of a human ferritin gene

    • Hagop Youssoufian
    • Philip Chance
    • Ethylin Wang Jabs

    Original Investigations Pages: 267 - 270

14. Prenatal diagnosis of cystic fibrosis by microvillar enzyme assay on a sequence of 258 pregnancies

    • David J. H. Brock
    • Hazel A. K. Clarke
    • Lilias Barron

    Original Investigations Pages: 271 - 275

15. Linkage of a polymorphic marker for the type III collagen gene (COL3A1) to atypical autosomal dominant Ehlers-Danlos syndrome type IV in a large Belgian pedigree

    • A. C. Nicholls
    • A. De Paepe
    • F. M. Pope

    Original Investigations Pages: 276 - 281

16. Germinal mosaicism in Duchenne muscular dystrophy

    • Stephen Wood
    • Barbara C. McGillivray

    Original Investigations Pages: 282 - 284

17. Nebulin seen in DMD males including one patient with a large DNA deletion encompassing the DMD gene

    • Jean-Jacques Pernelle
    • Philippe Chafey
    • Michel Fardeau

    Short Communications Pages: 285 - 285

18. Parental centromere separation sequence and aneuploidy in the offspring

    • Katalin Bajnóczky
    • K. Méhes

    Short Communications Pages: 286 - 288

19. A “new” allele of esterase D in a retinoblastoma family

    • Francis Munier
    • Graziano Pescia
    • Sebastian Weidinger

    Short Communications Pages: 289 - 290

20. Evidence for linkage equilibrium between two RFLPs associated with the human SST locus

    • Paola Lucarelli
    • Elide Mantuano
    • Ricciotti Palmarino

    Short Communications Pages: 291 - 292

21. Concurrence of the triple-X syndrome and expression of the fragile site Xq27.3

    • Carme Fuster
    • Cristina Templado
    • Josep Egozcue

    Case Observed Pages: 293 - 293

22. A report of four different unusual 6-PGD electrotypes in Caucasian and Negro populations

    • G. Destro-Bisol
    • C. Battaggia

    Genetic Variant Register Pages: 294 - 295

23. Recombination frequencies between Duchenne muscular dystrophy and intragenic markers in multigeneration families

    • J. C. Mulley
    • E. A. Haan
    • G. R. Sutherland

    Letter to the Editors Pages: 296 - 297

24. Announcement

    Announcement Pages: 298 - 298