1. Germ line abnormalities InDrosophila simulans transfected with the transposable P element

   • Nancy J. Scavarda
   • Daniel L. Hartl

   OriginalPaper Pages: 1 - 15

2. G6PD Punjab, a dialysis sensitive variant of human glucose-6-phosphate dehydrogenase

   • C. Verma
   • J. Th. Wijnen
   • P. Meera Khan

   OriginalPaper Pages: 17 - 24

3. Monohybrid and dihybrid segregations in the progenies of tobacco transformed for kanamycin resistance with a Ti-vector system

   • Patricia Viegas
   • Helena Mathews
   • N. K. Notani

   OriginalPaper Pages: 25 - 31

4. Genetic differentiation in theAedes atropalpus complex. II. Chromosomal divergence betweenAe. atropalpus andAe. epactius

   • Larry J Szymczak
   • Karamjit S Rai

   OriginalPaper Pages: 33 - 44

5. The deviation from linkage equilibrium with multiple loci varying in a stepping-stone cline

   • Freddy Bugge Christiansen

   OriginalPaper Pages: 45 - 67

6. Evolution of cooperation by reciprocation within structured demes

   • N. V. Joshi

   OriginalPaper Pages: 69 - 84

7. Errata

   • M. Harshey
   • Susan D. Cuneo
   • Newton E. Morton

   Erratum Pages: 85 - 85