这个词是什么意思？
Strains of mice in which certain GENES of their GENOMES have been disrupted, or knocked-out. To produce knockouts, using RECOMBINANT DNA technology, the normal DNA sequence of the gene being studied is altered to prevent synthesis of a normal gene product. Cloned cells in which this DNA alteration is successful are then injected into mouse EMBRYOS to produce chimeric mice. The chimeric mice are then bred to yield a strain in which all the cells of the mouse contain the disrupted gene. Knockout mice are used as EXPERIMENTAL ANIMAL MODELS for diseases (DISEASE MODELS, ANIMAL) and to clarify the functions of the genes.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D018345 · MeSH 2026。
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