FIGURE 1.4 Gregor Johann Mendel, who in 1865 put forward the major postulates of transmission genetics as a result of experiments with the garden pea
第四章遗传的基本规律 连锁和交换规律
第四章 遗传的基本规律（三） 连锁和交换规律
chaste bristles ih ute bristles deep orange eyes minute bristle(0)B/ white 137 acer eyes thinus eyes 18 by eyes 200 crossvein/ess Irmine eye 27.7 d bristles ocelliless 330 raspberry eye verm∥/ 7 eyes 36.1 38.3 41.9 43.0 b/e body oy bristle narrow abdomen colloped wings 515 smal/-win 535 forked bristle 567 Bar eyes Figure 59 fused wing veins the found 625 carnation eyes shown in 40 Courtesy 66.0 bobbed bristles
遗传的染色体学说 平行现象 1.遗传单位 2.成对存在 3分别来自父、母本 4.形成配子时彼此分离 形成合子时自由组合
一、 遗传的染色体学说 （一）平行现象 1. 遗传单位 2. 成对存在 3. 分别来自父、母本 4. 形成配子时彼此分离 5. 形成合子时自由组合