A STABLE selectively balanced polymorphism dependent on a pair of autosomal genes (or chromosomal arrangements) is known to exist when the heterozygote is at a selective advantage with respect to both ...

Because of natural selection, different alleles are more likely to confer a survival advantage in different environments. Cycles of infectious disease prevalence and virulence often reflect natural ...

Ahmed, D D, and Davidson, R H. 1950. Life history of the meadow spittle bug in Ohio. J Econ Entom, 43, 905–908.

Limnology and Oceanography (L&O;) publishes research articles, reviews, and comments about all aspects of limnology and oceanography. The journal’s unifying theme is the understanding of aquatic ...