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NEET2011ZoologyPrinciples of Inheritance and VariationActual

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

  1. Atransformation
  2. Bsplicing
  3. Cmetamorphosis
  4. Dheterosis

Correct answer

D. heterosis

Step-by-step solution

The superiority of hybrids over either of the parents (dominante or recessive is called hybrid vigour (G. Shull). Heterosis is equivalent of hybrids vigour.

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