对人为选择和自然选择在部分性状的起源与演化中的作用进行了探讨。
The effect of artificial selection and natural selection on the origin and evolution of the characters was also discussed.
传统的方法是根据农艺性状来分析其遗传变异，但农艺性状受自然环境和人为因素影响明显。
The traditional way was to analyze their relationships from agronomic traits, but those traits were affected by environmental and unnatural factors.
应用推荐