A) heterozygosity
B) superiority of genes
C) homozygosity
D) mixing of cytoplasm of male and female gametes
Correct Answer: A
Solution :
Hybrid vigour (heterosis) is the phenomenon of superiority of heterozygous in respect to one or more traits in comparison with corresponding homozygotes. Hybrids from crosses between different crop varieties (\[{{F}_{1}}\]hybrid) are often stronger and produce better yields than the original varieties.
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