NEET Botany Strategies for Enhancement in Food Production Questions Solved

NEET - 2011

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) transformation

(b) splicing

(c) metamorphosis

(d) heterosis

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

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