Q. When two unrelated individuals or lines are crossed, the performance of F₁ hybrid is often superior to both its parents. This phenomenon is called

A) Metamorphosis
B) Heterosis
C) Transformation
D) Splicing
Explanation

[Solution from source] When unrelated individuals or lines are crossed, the F₁ hybrid often outperforms both parents in yield and vigour; this is heterosis or hybrid vigour. Transformation is uptake of foreign DNA and splicing is removal of introns. Answer (2).

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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