加入
How common is horizontal gene transfer between plant species?
Measure how often genes move sideways between plant species, and whether these transfers have shaped plant evolution and adaptation.
比较改动
选两个分支看看改了什么，再发起 PR 把工作带过去。
选两个不同的分支
PR 可以从任何一个分支合入任何另一个分支。