should be control variable
Answer:
please translate it,I can't understand what you saying
D, his experiment was based on the genetic traits of the pea plants, so pollination from other plants would mess up his experiment, hope this helps!!
I’m guessing B, but I’m not for sure
Answer:
The specific information that leads to the belief that gene switching is the future of biotechnology is that gene switching will protect plants from harsh conditions like drought or pests. Gene switching can also increase the productivity of food production. Gene switching can be used to grow stronger, healthier crops.
Explanation: