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黑腹果蝇趋光行为的遗传分析I. 在存在倒位情况下的选择

A genetic analysis of phototactic behavior in Drosophila melanogaster I. Selection in the presence of inversions.

作者信息

Markow T A

出版信息

Genetics. 1975 Mar;79(3):527-34. doi: 10.1093/genetics/79.3.527.

Abstract

The effectiveness of selection for positive and negative phototactic behavior in populations of Drosophila melanogaster heterozygous for various multiple inversions was compared using the method of realized heritability. Selection in the presence of FM6, SM1 or TM3 alone was as effective as in populations carrying no inversions. However, the presence of FM6 and TM3 together reduced the effectiveness of selection for photopositive behavior and FM6 and SM1 and TM3 restricted the response to selection for negative phototactic behavior. The results are discussed in terms of the organization of genes influencing phototactic behavior in this species.

摘要

利用实现遗传力的方法,比较了在各种多重倒位杂合的黑腹果蝇群体中,对正向和负向趋光行为选择的有效性。单独存在FM6、SM1或TM3时的选择效果与不存在倒位的群体一样有效。然而,FM6和TM3同时存在会降低对趋光正向行为选择的有效性,而FM6、SM1和TM3则会限制对趋光负向行为选择的反应。根据影响该物种趋光行为的基因组织对结果进行了讨论。

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