| Heteroplasmy and polymorphism in the major noncoding region of mitochondrial DNA in Japanese monkeys: association with tandemly repeated sequences | K Hayasaka, T Ishida, S Horai | 399 |
| A Y-chromosomal DNA fragment is conserved in human and chimpanzee | BK Rasheed, EC Whisenant, R Fernandez, H Ostrer, YM Bhatnagar | 416 |
| Detection of hypervariable DNA locus in birds by hybridization with a mouse MHC probe | HL Gibbs, PT Boag, BN White, PJ Weatherhead, LM Tabak | 433 |
| Using restriction-map analysis to characterize the colonization process of Drosophila subobscura on the American continent. I. rp49 region | J Rozas, M Aguade | 447 |
| Evolution of ribosomal RNA gene copy number on the sex chromosomes of Drosophila melanogaster | EM Lyckegaard, AG Clark | 458 |
| Evolution of the cetacean mitochondrial D-loop region | AR Hoelzel, JM Hancock, GA Dover | 475 |
| Sampling errors in phylogeny | N Takahata, F Tajima | 494 |
| Molecular evolution of the mammalian ribosomal protein gene, RPS14 | DD Rhoads, DJ Roufa | 503 |
| Mitochondrial DNA in the sea urchin Arbacia lixula: evolutionary inferences from nucleotide sequence analysis | Gi De, C Lanave, MD Musci, C Saccone | 515 |
| An extreme codon preference strategy: codon reassignment | GE Andersson, CG Kurland | 530 |
| The dipole moment of cytochrome c | WH Koppenol, JD Rush, JD Mills, E Margoliash | 545 |
| Book review | N Saitou | 559 |