1. On the origin of the supernumerary chromosome in autosomal trisomies — with special reference to Down's syndrome

   • U. Langenbeck
   • I. Hansmann
   • V. Hönig

   Original Investigations Pages: 89 - 102

2. rDNA and acrocentric chromosomes in man

   • Ginevra Guanti
   • Gioacchino Mollica
   • Filippo Maritato

   Original Investigations Pages: 103 - 107

3. Regional mapping of human chromosome 10: Assignment of the gene for cytoplasmic glutamate-oxaloacetate transaminase to 10q24 » qter

   • B. Hellkuhl
   • K. -H. Grzeschik

   Original Investigations Pages: 109 - 112

4. Investigations on the frequency of chromosome aberrations in bone marrow cells of Chinese hamsters after simultaneous application of caffeine and cyclophosphamide

   • G. Röhrborn
   • U. Buckel

   Original Investigations Pages: 113 - 119

5. Elimination of spontaneous and chemically induced chromosome aberrations in mice during early embryogenesis

   • A. Basler
   • Barbara Buselmaier
   • G. Röhrborn

   Original Investigations Pages: 121 - 130

6. The cytogenetics of 90 patients with idiopathic mental retardation/malformation syndromes and of 90 normal subjects

   • Carolyn Trunca Doyle

   Original Investigations Pages: 131 - 146

7. Partial trisomy 4q due to familial 2/4 translocation

   • B. Biederman
   • P. Bowen

   Original Investigations Pages: 147 - 153

8. Two cases of trisomy 4p with translocation t(4p-,7q+) in several members of one family

   • Milly Andrle
   • A. Erlach
   • A. Rett

   Original Investigations Pages: 155 - 160

9. The red blood cell Esterase D polymorphism in Europe and Asia

   • R. A. Cartwright
   • I. L. Bethel
   • D. Teasdale

   Original Investigations Pages: 161 - 166

10. CT banding of human chromosomes

    • J. M. J. C. Scheres

    Short Communications Pages: 167 - 174

11. Mutant forms of erythrocyte glucose 6-phosphate dehydrogenase in Ashkenazi. Description of two new variants: G6PD kirovograd and G6PD zhitomir

    • T. L. Shatskaya
    • K. D. Krasnopolskaya
    • L. J. Idelson

    Short Communications Pages: 175 - 178

12. The occurrence of Hb E Saskatoon in Scotland

    • D. Tills
    • V. Muir
    • H. Lehmann

    Short Communications Pages: 179 - 180

13. Parental origin of a ring 13 chromosome in a female with multiple anomalies

    • R. Ellen Magenis
    • Herman E. Wyandt
    • Jean Macfarlane

    Clinical Case Reports Pages: 181 - 186

14. Ring chromosome 15 in child with a minor dysmorphism of phenotype

    • Lj. Rumenić
    • I. Joksimović
    • M. Anaf

    Clinical Case Reports Pages: 187 - 188

15. Brachydactylia with symphalangism, probably autosomal recessive

    • Roland Walbaum
    • Claude Hazard
    • Roger Cordier

    Clinical Case Reports Pages: 189 - 192

16. Generalized dermal perifollicular fibromas with polyps of the colon

    • O. P. Hornstein

    Clinical Case Reports Pages: 193 - 197

17. Standardization in human cytogenetics

    • John L. Hamerton

    Notes Pages: 199 - 199