、实验结果 ①杂交: Method Stigma G To cross different(P generatlon Homozygous Homozygous Anthers varieties of peas, round seeds wrinkled seeds erS from flowers to prevent Mendel's first 5Mendel crossed self- fertilization experiment Cross two homozygous varieties of peas Flower FI ge oFlower 2.and dust the 6All F,seed stigma with were rou pollen from a C 0s5 different plant Mendel's second 7 Mendel allowed experiment Intercross the plants to self-fertilize F2 generatlon 3 The pollen fertilizes ova within the Results progeny seeds B, of F, seed flower, which were round develop into seeds 5474 Round seeds 6/4Round wrinkled. a atIo 1850 Wrinkled seeds / 4Wrinkled An 4The seeds grow into plants Concluslon: The traits of the parent plants do not blend Although Fi plants display the phenotype of one parent. both traits are passed to F2 progeny in a 3: 1 ratio. P白花×紫花 P紫花×白花 F1紫花 F1紫花 F1紫花×紫花(F1代自交) F2紫花+白花白花重又出现!三、实验结果： ①杂交： P 白花×紫花 P 紫花×白花 ↓ ↓ F1 紫花 F1 紫花 ↓ F1 紫花×紫花(F1 代自交) ↓ F2 紫花+白花 白花重又出现 ．．．．！