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【要点透视】一、遗传定律相关概念辨析1.常用符号及含义符号P F1F2×♂♀↓含义亲本子一代子二代杂交自交父本母本产生下一代2.性状类概念(1)性状:生物体的形态特征和生理特性的总称。(2)相对性状:一种生物同一种性状的不同表现类型。(3)显性性状:具有相对性状的两纯种亲本
Key points of view First, the genetic law related to the concept of discrimination 1. Common symbols and their meaning symbols P F1F2 × ♂ ♀ ↓ meaning parental subfamilies and their offspring parent generation of the next generation 2. Trait class concept (1) Traits: biological morphological and physiological characteristics of the general term. (2) relative traits: a biological different types of performance of the same trait. (3) Dominant traits: two purebred parents with relative traits