1. Karyotype evolution in holocentric chromosomes of three related species of triatomines (Hemiptera-Reduviidae)

   • Francisco Panzera
   • Ruben Perez
   • Roberto Salvatella

   OriginalPaper Pages: 143 - 150

2. RNA metabolismin situ at the 93D heat shock locus in polytene nuclei ofDrosophila melanogaster after various treatments

   • S. C. Lakhotia
   • Abhay Sharma

   OriginalPaper Pages: 151 - 161

3. Do chiasmata disappear? An examination of whether closely spaced chiasmata are liable to reduction or loss

   • Charles Tease
   • Gareth H. Jones

   OriginalPaper Pages: 162 - 168

4. The developmental stage of inactivation of rye origin rRNA genes in the embryo and endosperm of wheat × rye F₁ hybrids

   • A. Castilho
   • A. Queiroz
   • W. Viegas

   OriginalPaper Pages: 169 - 174

5. Identification of highly conserved loci by genome painting

   • Timothy W. Houseal
   • Joseph A. Cook
   • David W. Hale

   OriginalPaper Pages: 175 - 181

6. Synaptonemal complex analysis in spermatocytes and oocytes of rainbow trout,Oncorhynchus mykiss (Pisces, Salmonidae): the process of autosome and sex chromosome synapsis

   • Claudio Oliveira
   • Fausto Foresti
   • Yara Aiko Tabata

   OriginalPaper Pages: 182 - 190

7. General characteristics of the polytene chromosomes from ovarian pseudonurse cells of theDrosophila melanogaster otu ¹¹ andfs(2)B mutants

   • N. I. Mal'ceva
   • H. Gyurkovics
   • I. F. Zhimulev

   OriginalPaper Pages: 191 - 200

8. Yeast artificial chromosome cloning of the β-catenin locus on human chromosome 3p21–22

   • A. Bailey
   • A. L. Norris
   • A. F. Markham

   Short Communication Pages: 201 - 203

9. Forthcoming meetings

   Events Pages: 204 - 204