Hybrid vigour is mostly due to [Pb. PMT 2000; MHCET 2003, 04; DPMT 2004]
A) Superiority of all the genes
B) Homozygosity of pure characters
C) Heterozygosity
D) None of these
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Option B is right as my thoughts.
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Answer:
Hybrid vigour is mostly due to the superiority of the genes.
Explanation:
The Hybrid vigour or hetrosis is mostly due to the increased biological trait or quality of an offspring due to mixing of 2 different species having desirable characters.
The have an enhanced activity because they are a product of the best species. Heterosis has a major advantage in formation of the histocompatibility complex. The formation of histocompatibility complex is diverse that it recognises any pathogen that comes on its way.
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