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When two unrelated individuals or lines ...

When two unrelated individuals or lines are crossed, the performance of `F_(1)` hybrid is often superior to both its parents. This phenomenon is called

A

Heterosis

B

Transformation

C

Splicing

D

Metamorphosis

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The correct Answer is:
A
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ICSE-PRINCIPLES OF INHERITANCE AND VARIATION-COMPETITION CORNER (OBJECTIVE TYPE QUESTIONS (MULTIPLE CHOICE QUESTIONS))
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  15. An abnormal human baby with 'XXX' sex chromosomes was born due to a) F...

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