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单词 Gap gene
释义

Gap gene

英语百科

Gap gene

Expression of some of the gap genes in bands in the Drosophila early embryo
In situ hybridisation against mRNA for some of the gap genes in the Drosophila early embryo

A gap gene is a type of gene involved in the development of the segmented embryos of some arthropods. Gap genes are defined by the effect of a mutation in that gene, which causes the loss of contiguous body segments, resembling a gap in the normal body plan. Each gap gene, therefore, is necessary for the development of a section of the organism.

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