1. Sperm chromosome analysis in a man heterozygous for a paracentric inversion of chromosome 7 (q11q22)

   • Renee H. Martin

   Original Investigations Pages: 97 - 100

2. A product of the C4B locus lacking hemolytic activity

   • Koichi Suzuki
   • Geoffrey J. O'Neill
   • Hideo Matsumoto

   Original Investigations Pages: 101 - 103

3. Human DNA sequences isolated with an immunoglobulin switch region probe: sequence, chromosomal localization, and restriction fragment length polymorphisms

   • H. Stockinger
   • J. Schmidtke
   • J. T. Epplen

   Original Investigations Pages: 104 - 109

4. Restriction fragment length polymorphisms associated with immunoglobulin heavy chain gamma genes in Tunisians

   • Hassen Chaabani
   • N. Torben Bech-Hansen
   • Diane W. Cox

   Original Investigations Pages: 110 - 113

5. Different baseline sister chromatid exchange levels in density fractionated human lymphocytes

   • Berta Santesson

   Original Investigations Pages: 114 - 118

6. Bloom's syndrome

   • A. Spanos
   • R. Holliday
   • J. German

   Original Investigations Pages: 119 - 122

7. Choroideremia-locus maps between DXS3 and DXS11 on Xq

   • A. Gal
   • F. Brunsmann
   • I. H. Pawlowitzki

   Original Investigations Pages: 123 - 126

8. De novo 21/21 translocation Down syndrome

   • Jovanka Nikoliš
   • V. Kekić

   Original Investigations Pages: 127 - 129

9. The centromere index and relative length of human high-resolution G-banded chromosomes

   • D. L. Van Dyke
   • Maria J. Worsham
   • L. Weiss

   Original Investigations Pages: 130 - 132

10. Infertility associated with two accessory bisatellited chromosomes

    • M. A. Martín-Lucas
    • A. Pérez-Castillo
    • J. A. Abrisqueta

    Original Investigations Pages: 133 - 136

11. Chromosomes in acute nonlymphocytic leukemia

    • E. L. Prigogina
    • E. W. Fleischman
    • M. A. Frenkel

    Original Investigations Pages: 137 - 146

12. Human chromosomal polymorphism

    • A. I. Ibraimov
    • M. M. Mirrakhimov
    • E. I. Axenrod

    Original Investigations Pages: 147 - 150

13. Human chromosomal polymorphism

    • A. I. Ibraimov
    • M. M. Mirrakhimov
    • G. U. Kurmanova

    Original Investigations Pages: 151 - 156

14. Apolipoprotein E3-Leiden. A new variant of human apolipoprotein E associated with familial type III hyperlipoproteinemia

    • L. Havekes
    • Elly de Wit
    • Ulrike Beisiegel

    Original Investigations Pages: 157 - 163

15. Studies on three rare fragile sites

    • D. R. Romain
    • L. M. Columbano-Green
    • C. J. Chapman

    Original Investigations Pages: 164 - 170

16. Use of catalase polymorphisms in the study of sporadic aniridia

    • Patricia Boyd
    • Veronica van Heyningen
    • N. Hastie

    Original Investigations Pages: 171 - 174

17. Duchenne muscular dystrophy due to familial Xp21 deletion detectable by DNA analysis and flow cytometry

    • D. E. Wilcox
    • A. Cooke
    • M. A. Ferguson-Smith

    Original Investigations Pages: 175 - 180

18. G-banding of human sperm chromosomes

    • J. Benet
    • A. Genescà
    • C. templado

    Short Communications Pages: 181 - 182

19. Genetic polymorphism of coagulation factor XIII B subunit in the Japanese population: description of three new rare alleles

    • Shigeki Nakamura
    • Osamu Ohue
    • Kazue Abe

    Short Communications Pages: 183 - 185

20. DNA-diagnosis of sickle cell anemia from chorionic villi: possible influence of maternal cell contamination

    • Renate Oehme
    • W. -D. Jonatha
    • J. Horst

    Short Communications Pages: 186 - 187

21. Maternal 3:1 disjunction in a tranlocation 9/17

    • M. A. Sánchez Ferrer
    • M. L. de Torres
    • J. A. Abrisqueta

    Cases Observed Pages: 188 - 188