ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] It is quite possible that many of the biochemical polymorphisms of Drosophila psetidoobscura1. are maintained by density-dependent natural selection-some genotypes, probably homozygotes, are less viable than others when the population is crowded, and it has been shown2-4. that this could maintain ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/218700a0