Users can query the database with keyword or browse the database in the way of chromosome or gene symbol or behavior trait.

在数据库查询方面，提供关键词查询方式、染色体浏览查询方式、基因列表浏览查询方式和行为特征分类浏览查询方式。

Mendelian gene is not a real physical entity but an abstraction or symbol.

孟德尔式的基因并不是真正的实体，而是抽象概念或者是说明性的符号。

The prophase of primary spermatocyte would appear synaptonemal complex, which should been the symbol that the homologous chromosome carried through the change of homologous gene.

黄颡鱼初级精母细胞的前期出现联会复合体，应是同源染色体之间进行同源基因交换的标志。