Fruit tree radiation mutation breeding often uses pollen as the test material, because it is not easy to produce chimeras.
举一反三
- Fruit tree radiation mutation breeding often uses pollen as the test material, because it is not easy to produce chimeras. A: 正确 B: 错误
- Ahigher annual growth rate in material uses indicates an increasing intensity of material uses
- 中国大学MOOC: Adam and Eve could eat any fruit in the garden, except the fruit from the Tree of Life, and the fruit from the Tree of Knowledge of Good and Evil.
- The Kiowas often fought just because they needed extra lands or material gains for the sake of surviving and thriving.( )
- ________ a store or salesperson uses this technique, you often get excited. A: If B: Where C: When D: Because