unequal crossing over中文什么意思

不等交换

• unequal:    adj. 1.(大小、轻重、长短等) ...
• crossing:    n. 1.交叉，相交；横切，横断；横 ...
• over:     This hat cos ...

例句与用法

1. Duplication can be created by unequal crossing over , retroposition , or whole genome ( or chromosomal ) duplication
   它与生物体基因组大小的进化、新基因的起源、物种的分化以及基因抗突变的能力大小等都密切相关。

百科释义

Unequal crossing over is a type of gene duplication or deletion event that deletes a sequence in one strand and replaces it with a duplication from its sister chromatid in mitosis or from its homologous chromosome during meiosis. It is a type of chromosomal crossover between homologous sequences that are not paired precisely.