When two unrelated individuals or lines are crossed, the performance of F1 hybrids is often superior to both its parents. The phenomenon is called
A
Transformation
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B
Heterosis
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C
Metamorphosis
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D
Splicing
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Solution
The correct option is B Heterosis Metamorphosis
Metamorphosis is a biological process in which an animal undergoes extreme and drastic physical changes after birth.
Heterosis
Heterosis means enhanced traits in an offspring from the actual traits of parents.
The offspring will have the characteristics of both the parents and will be superior to them like high yielding, taller, disease resistant etc.
Splicing
Splicing is the process in which noncoding regions of genes (introns) are excised out of the primary mRNA and the coding regions (exons) are joined together to generate mature mRNA.
Transformation
Transformation is the process by which a recombinant DNA is taken up by a cell.