Is it that you oppose artificial selection in principle, or that you feel scientists are still too far away from a full understanding of genetics to be making such decisions?
你是原则上反对人工选择，还是认为科学家对遗传学尚未达到充分理解的地步，无法做出这些决定？
The effect of artificial selection and natural selection on the origin and evolution of the characters was also discussed.
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。
Although it was gone through evolution by artificial selection and natural selection, Allium tuberosum kept little differentiation from Allium ramosum .
虽然韭经历了长期的人工选择和自然选择，但与野韭的分化仍然较小。
According to the resource allocation theory, artificial selection, the direction of selection and the degree of selection can all affect the behavioral strategies of animals.
根据资源分配理论，人工的选育及其选育方向和程度都会导致动物的行为策略产生变化。
According to the resource allocation theory, artificial selection, the direction of selection and the degree of selection can all affect the behavioral strategies of animals.
根据资源分配理论，人工的选育及其选育方向和程度都会导致动物的行为策略产生变化。
应用推荐