Genetic Analysis of Lake Sturgeon Tissue Relative to Sex Determination
نویسنده
چکیده
Background(s) and Objective(s) In mammals and birds, sex is dictated by the chromosomal constitution and is thus genetic (mammalian males are XY and females are XX). However, many fi shes have environmental sex determination without sex chromosomes. Their sex is determined by egg incubation temperature or by social status. The objective of this project was to evaluate the working hypothesis that lake sturgeon sex is determined genetically. This is important for restoration efforts, as hatcheries could (in principle) rear cohorts with a strong sex-bias if sex determination is not genetic.
منابع مشابه
Multiple molecular approaches yield no evidence for sex-determining genes in lake sturgeon (Acipenser fulvescens)
Common DNA-based sexing assays have been widely used for the conservation and management of mammals and birds. However, many fishes do not have genetic sex determination and in those that do, the plasticity of the genes involved means that species-specific assays are normally required. Such DNAsexing markers would be especially valuable in lake sturgeon (Acipenser fulvescens) because of their s...
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