Discussion
The cross between F1 hybrid and one of it parents is known as:
Answer: C
A backcross is the cross between an F1 hybrid and one of its parents. It is used to transfer a trait into the recurrent parent.
A single cross is between two inbred lines, a top cross is between a line and an open-pollinated variety, and a population cross is between two populations.
A backcross is made to restore or transfer characters of a parent into a hybrid line, and repeated backcrosses are used to transfer one gene into an elite variety. The cross between two inbred lines is called a single cross.
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