1. Trisomy 10p due to a de novo t(10p;13p)

   • V. Aller
   • J. A. Abrisqueta
   • M. L. de Torres

   Original Investigations Pages: 129 - 134

2. Trisomy 12p syndrome

   • Ikuko Kondo
   • Hideo Hamaguchi
   • Tadashi Haneda

   Original Investigations Pages: 135 - 140

3. A case of trisomy 3q21→qter syndrome

   • Ikuko Kondo
   • Takeki Hirano
   • Hitoshi Takita

   Original Investigations Pages: 141 - 147

4. Translocation C:D involving chromosomes 11 and 14

   • M. H. Callow
   • A. R. Boon
   • E. V. Davison

   Original Investigations Pages: 149 - 153

5. An azoospermic male with a Y/Autosome translocation

   • I. Lopez Pajares
   • A. Delicado
   • C. Cuadrado

   Original Investigations Pages: 155 - 158

6. A woman carrier of two apparently unrelated reciprocal translocations

   • G. Simoni
   • E. Montali
   • F. Lo Curto

   Original Investigations Pages: 159 - 162

7. Incidence of major chromosome aberrations in 12,319 newborn infants in Tokyo

   • Makoto Higurashi
   • Kumiko Iijima
   • Nobuo Watanabe

   Original Investigations Pages: 163 - 172

8. A new chromosome anomaly in acute lymphoblastic leukemia (ALL)

   • H. Van den Berghe
   • G. David
   • R. Eeckels

   Original Investigations Pages: 173 - 180

9. Genetic linkage relations of the sixth component of complement (C6)

   • J. H. Olving
   • B. Olaisen
   • P. Teisberg

   Original Investigations Pages: 181 - 192

10. Inhibition of condensation of human Y chromosome by the fluorochrome Hoechst 33258 in a mouse-human cell hybrid

    • Menashe Marcus
    • Alona Nattenberg
    • Alfred Gropp

    Original Investigations Pages: 193 - 198

11. Clinical and biochemical investigations on patients with partial deficiency of placental steroid sulfatase

    • H. Hameister
    • G. Wolff
    • H. H. Ropers

    Original Investigations Pages: 199 - 207

12. Variability of bacterial gene-directed enzyme production in human genetically deficient cells

    • Jürgen Horst
    • Friedrich Kluge
    • Wolfgang Gerok

    Original Investigations Pages: 209 - 217

13. ‘GPI Roma’, a new glucose phosphate isomerase deficient variant

    • G. Isacchi
    • D. Cottreau
    • A. Kahn

    Original Investigations Pages: 219 - 226

14. Occurrence of the ACP ₁ ⁰ allele in Czechoslovakia

    • P. Nezbeda

    Short Communications Pages: 227 - 229

15. Partial duplication of the short arm of chromosome 9 (p13→p22) in a child with typical 9p trisomy phenotype

    • J. P. Fryns
    • P. Casaer
    • H. Van den Berghe

    Clinical Case Reports Pages: 231 - 235

16. Mosaic 13 trisomy due to de novo 13/13 translocation with subsequent fission karyotype: 46,XX,-13,+t(13;13)(p11;q11)/46,XX,del(13)(p11)

    • J. P. Fryns
    • P. Casaer
    • H. Van den Berghe

    Clinical Case Reports Pages: 237 - 241

17. Partial trisomy 14q

    • I. Lopez Pajares
    • A. Delicado
    • A. Peralta

    Clinical Case Reports Pages: 243 - 247