1. Restriction endonuclease mapping of ribosomal RNA genes: Sequence divergence and the origin of the tetraploid treefrog Hyla versicolor

   • P. R. Romano
   • J. C. Vaughn

   OriginalPaper Pages: 329 - 347

2. Variation in the substrate specificity of allozymes catalyzing flavone-O-glucoside biosynthesis in Silene plants

   • Jan M. Steyns
   • Jan v. Brederode

   OriginalPaper Pages: 349 - 367

3. Genetic control of acid phosphatase R _m and its relation to control of peroxidase R _m in flax (Linum) genotrophs

   • H. Tyson
   • M. A. Fieldes
   • J. Starobin

   OriginalPaper Pages: 369 - 383

4. Pig mitochondrial DNA: Polymorphism, restriction map orientation, and sequence data

   • Tomomasa Watanabe
   • Yukimasa Hayashi
   • Nobuaki Ogasawara

   OriginalPaper Pages: 385 - 396

5. Effects of various metabolites on two phosphoglucomutase allozyme activities from Drosophila melanogaster

   • Giovanni Pontecorvo
   • Mario Carfagna
   • Luciano Gaudio

   OriginalPaper Pages: 397 - 403

6. Purine nucleoside phosphorylase polymorphism in the genus Littorina (Prosobranchia: Mollusca)

   • Andrew J. Knight
   • Robert D. Ward

   OriginalPaper Pages: 405 - 413

7. Restriction endonuclease map variation in the Adh region in populations of Drosophila melanogaster

   • S. R. H. Cross
   • A. J. Birley

   OriginalPaper Pages: 415 - 433

8. Genetic control of the mitochondrial form of superoxide dismutase in hexaploid wheat

   • Paula R. Neuman
   • Gary E. Hart

   OriginalPaper Pages: 435 - 446

9. Developmental variation in effects of the second and third chromosomes on the activities of the glucose 6-phosphate and 6-phosphogluconate dehydrogenases in Drosophila melanogaster

   • Naohiko Miyashita
   • Cathy C. Laurie-Ahlberg

   OriginalPaper Pages: 447 - 467

10. Variation in alpha-L-fucosidase properties among 28 inbred mouse strains: Six strains have high enzyme activity and heat-stabile enzyme with a variant pH-activity curve; twenty-two strains have low activity and heat-labile enzyme

    • William G. Johnson
    • Jacqueline L. Hong

    OriginalPaper Pages: 469 - 483

11. Amino acid sequence of the active site of human serum cholinesterase from usual, atypical, and atypical-silent genotypes

    • Oksana Lockridge
    • Bert N. La Du

    OriginalPaper Pages: 485 - 498

12. Distribution and probable physiological role of esterases in reproductive, digestive, and fat-body tissues of the adult cotton boll weevil, Anthonomus grandis Boh

    • Bobby R. Jones
    • Harold R. Bancroft

    OriginalPaper Pages: 499 - 508