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 12 November 1965:
Vol. 150. no. 3698, pp. 903 - 905
DOI: 10.1126/science.150.3698.903
Prev | Table of Contents | Next

Articles

Evolution of Fitness in Experimental Populations of Drosophila serrata

Francisco J. Ayala 1

1 Rockefeller Institute, New York

Changes which enhance adaptedness to the environment occur in experimental populations of Drosophila serrata which are acted upon by strong natural selection. The improvement is greater in hybrid than in single-strain populations because genetic variability is greater in the former.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Genotype, Environment, and Population Numbers.
F. J. Ayala (1968)
Science 162, 1453-1459
   PDF »


To Advertise     Find Products

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