A condition in which F1 plants of an interspecific cross are vigorous and fertile but their F2 progeny is weak and sterile is called
A. Hybrid sterility
B. Hybrid inviability
C. Hybrid breakdown
D. None of these
Answer: Option C
Solution(By Examveda Team)
A condition in which F1 plants of an interspecific cross are vigorous and fertile but their F2 progeny is weak and sterile is called Hybrid breakdown.The hybrid breakdown is a type of reproductive failure that appears after the F2 generation of crosses between different species or subspecies. It is caused by incompatibility between interacting genes.
This Question Belongs to Agriculture >> Genetics And Plant Breeding
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