No, the makeup of the Soviet military in WW2 was pretty proportional in terms of Ukrainians (and other minorities) to Russians. However, much of Ukraine was denied to the Soviet Union as a recruiting ground due to early Nazi successes, so one could argue that Ukrainians were overrepresented in comparison to the overall manpower that the USSR had at its disposal.
No, the makeup of the Soviet military in WW2 was pretty proportional in terms of Ukrainians (and other minorities) to Russians. However, much of Ukraine was denied to the Soviet Union as a recruiting ground due to early Nazi successes, so one could argue that Ukrainians were overrepresented in comparison to the overall manpower that the USSR had at its disposal.