Top cross is produced by crossing a single cross (A × B) with an

A. Open pollinated variety

B. Self pollinated variety

C. Hybrid variety

D. None of these

Answer: Option A

Solution(By Examveda Team)

The top cross means the first generation of the cross, a single cross (A × B) with an open pollinated variety. Whereas a single cross is crossing between two inbreds or varieties. Hence, A and B are inbred lines or simple hybrids.