Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.

Science 15 June 1979:
Vol. 204. no. 4398, pp. 1207 - 1209
DOI: 10.1126/science.204.4398.1207
Prev | Table of Contents | Next

Articles

Homoeologous Heterozygosity and Recombination in the Fern Pteridium aquilinum

ROBERT H. CHAPMAN 1, EDWARD J. KLEKOWSKI JR. 1, and ROBERT K. SELANDER 2

1 Department of Botany and Plant Pathology, Iowa State University, Ames 50011
2 Department of Biology, University of Rochester, Rochester, New York 14627

The bracken fern, Pteridium aquilinum, which can form completely homozygous zygotes in a single generation of self-fertilization, has a genetic system that allows the storage and release of genetic variability in spite of this homozygosity. Analysis of the distribution of electrophoretically demonstrable genetic markers demonstrates that this system is based on recombination between duplicated, unlinked loci.

Submitted on August 15, 1978
Revised on February 9, 1979


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Genetic Map-Based Analysis of Genome Structure in the Homosporous Fern Ceratopteris richardii.
T. Nakazato, M.-K. Jung, E. A. Housworth, L. H. Rieseberg, and G. J. Gastony (2006)
Genetics 173, 1585-1597
   Abstract »    Full Text »    PDF »
Electrophoretic Evidence for Genetic Diploidy in the Bracken Fern (Pteridium aquilinum).
P. G. WOLF, C. H. HAUFLER, and E. SHEFFIELD (1987)
Science 236, 947-949
   Abstract »    PDF »


To Advertise     Find Products

Science. ISSN 0036-8075 (print), 1095-9203 (online)