Genic homozygosity in an ancient reptile (Alligator mississippiensis)
Authors:
- 1 August 1977
- journal article
- research article
- Published by Springer Nature in Biochemical Genetics
- Vol. 15 (7-8) , 655-663
Abstract
Proteins assayed electrophoretically showed variation at only three of 49 presumed genetic loci in alligators from southwestern Louisiana. Average heterozygosity per individual was 0.021±0.012; proportion of polymorphic loci was 0.06. Data on the history, structure, and ecology of this alligator population are consistent with natural selection as the primary factor accounting for this low genetic variability. However, neither a historic population bottleneck nor some genetic mechanism limiting variability can be dismissed as a possible factor.Keywords
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