This obstacle splits a previously homogeneous population into two, preventing interbreeding between the new populations and allowing them to drift apart genetically.
This obstacle splits a previously homogeneous population into two, preventing interbreeding between the new populations and allowing them to drift apart genetically.
这种障碍将先前的均质族群分裂成两个，使牠们无法交配，让牠们各自遗传漂变而渐行渐远。