The increased performance of F1 hybrid over its parents is called
A. Dominance
B. Heterosis
C. Crossing over
D. None of these
Answer: Option B
Solution(By Examveda Team)
The increased performance of F1 hybrid over its parents is called Heterosis.Heterosis refers to the phenomenon that progeny of diverse varieties of a species or crosses between species exhibit greater biomass, speed of development and fertility than both parents.
Various models have been posited to explain heterosis, including dominance, overdominance and pseudo-overdominance.
This Question Belongs to Agriculture >> Genetics And Plant Breeding
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