在遗传学上，有些名词初看起来意义相近，但实际上差别很大，甚至绝然不同。为了便于在教学中澄清概念，作者对两组遗传学名词作一肤浅辨析，以求教于同行。1从性性状和限性性状从性性状和限性性状的表现均受性激素的影响，与性别有关，但两者有根本的不同。从性性状是指常染色 In terms of genetics, some nouns seem to have similar meanings at first sight, but in reality they are very different and even different. In order to facilitate the clarification of concepts in teaching, the author made a superficial analysis of two groups of genetic nouns in order to seek advice from their peers. 1 From sexual traits and limited traits The performance of sexual traits and limited traits is affected by sex hormones and is related to gender, but the two are fundamentally different. Sexual traits