Enzyme null alleles in natural populations of Drosophila melanogaster : Frequencies in a North Carolina population
- 1 February 1980
- journal article
- research article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 77 (2) , 1091-1095
- https://doi.org/10.1073/pnas.77.2.1091
Abstract
A Raleigh, North Carolina, USA population of D. melanogaster was sampled for the presence of enzyme null alleles at 25 loci. No nulls were found at any of 5 X-linked loci. Nulls were recovered at 13 of 20 autosomal loci; the weighted mean frequency for all 20 autosomal loci was estimated to be 0.0025. A consideration of the effects of these null alleles on viability strongly suggests that although they may contribute to so-called polygenic variation, they are not representative of the entire genome.Keywords
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