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

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Question

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

Options

  • Transformation

  • Splicing

  • Metamorphosis

  • Heterosis

MCQ

Solution

Heterosis

Explanation:

The superiority of hybrids over either parent (dominant or recessive) is referred to as hybrid vigour (G shall). However, heterosis is synonymous with hybrid vigour.

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