The Evolution and Ecology of Trophic and Reproductive Polymorphisms in the Bluegill Sunfish

研究将集中在建立遗传基础上， 湖泊形态差异之间的关系。 来自加拿大研究的体外杂交的幼虫 人口将被运送到“共同花园”池塘在 威斯康星大学密尔沃基分校。 这些基因标记 个体（具有mtDNA和同工酶标记）将在 植被和开放水域生境及其形态 发展将被衡量。 该研究将证明 毫无疑问，形态学的湖间成分 分歧是由于潜在的遗传变异或结果 环境诱导的表型作用于一个共同的， 可塑基因型

Research will focus on establishing the genetic basis of the between lake morphological differences in Bluegill populations. Larvae from in vitro crosses made with the Canadian study populations will be transported to "common garden" ponds at the University of Wisconsin-Milwaukee. These genetically marked individuals (with mtDNA and isozyme markers) will be reared in vegetated and open water habitats and their morphological development will be measured. This study will demonstrate unambiguously whether the inter-lake components of morphological divergence are due to underlying genetic variation or the result of environmental induction of phenotype working on a common, plastic genotype.