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A cross between a hybrid and one of its parents is known as backcross. In backcross method of breeding, the  hybrid  and  the  progenies  in  the  subsequent  generation  are  repeatedly backcrossed to one of the parents of the F1. As a result, the genotype of backcross progeny becomes increasingly similar to that of the parent to which the backcrosses are made.
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1. 3 ×104
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