Principles of Inheritance and Variation Question 34
34. When two unrelated individuals or lines are crossed, the performance of hybrid is often superior to both parents. This phenomenon is called:
[2011]
(a) heterosis
(b) transformation
(c) splicing
(d) metamorphosis
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Answer : a
Hints & Solution
(a) Heterosis or hybrid vigor occurs when two unrelated individuals or lines are crossed, the performance of