环境变异性梯度中的遗传变异：海洋双壳贝类（软体动物门）
Genetic variation in a gradient of environmental variability: marine bivalvia (Mollusca).
作者信息
Levinton J
出版信息
Science. 1973 Apr 6;180(4081):75-6. doi: 10.1126/science.180.4081.75.
PMID:4691427
Abstract
Six bivalve mollusk species were sampled for genetic variability at two enzyme synthesizing loci. The effective number of alleles and absolute number of alleles decreased with depth of burial within the sediment, intertidally, and with depth of water, subtidally. It is proposed that environmental variability regulates genetic variability at these two loci.
摘要
对六种双壳贝类软体动物在两个酶合成位点进行了遗传变异性采样。在潮间带，等位基因的有效数量和绝对数量随着沉积物中埋藏深度的增加而减少；在潮下带，则随着水深的增加而减少。有人提出，环境变异性调节着这两个位点的遗传变异性。
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