白色(突变)
生物
基因
表型
突变体
遗传学
基因组
转化(遗传学)
果蝇属(亚属)
基因表达
黑腹果蝇
基因组DNA
作者
Robert Levis,Tulle Hazelrigg,Gerald M. Rubin
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:1985-08-09
卷期号:229 (4713): 558-561
被引量:241
标识
DOI:10.1126/science.2992080
摘要
The white gene of Drosophila is expressed normally when introduced at many different sites in the genome by P-element-mediated DNA transformation, but is expressed abnormally when inserted at two particular genomic positions. It is now demonstrated that the mutant expression in these two cases is caused by the surrounding chromosomal region into which the white gene has been inserted. The white gene could be moved from these two positions, where it confers a mutant phenotype, to other positions in the genome where it confers a wild-type phenotype. However, flies in which white has been moved to one new location have an unusual mosaic phenotype.
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