[果蝇发育中体细胞和生殖细胞发育途径的分离]

[Segregation of the somatic and germ-cell pathways of development in Drosophila].

作者信息

Ivanov A I

出版信息

Ontogenez. 1990 Mar-Apr;21(2):153-9.

Abstract

Two groups of lethal mutations that are expressed only in somatic cells were isolated using the gonosomic selective method. The mutations tend to be organized in clusters along the sex chromosome. Analysis of mutation expression allowed to characterize the degree of changes in genetic diversity of somatic and germ lines in development; it is minimal in the III instar larvae and prepupae and maximal in the I and II instar larvae and pupae.

摘要

利用染色体组选择法分离出两组仅在体细胞中表达的致死突变。这些突变倾向于沿着性染色体成簇排列。对突变表达的分析有助于表征发育过程中体细胞和生殖系遗传多样性的变化程度；在三龄幼虫和预蛹期变化最小，而在一龄和二龄幼虫以及蛹期变化最大。

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