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Superiority of hybrid over the parents....

Superiority of hybrid over the parents.

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Heterosis/Hybrid vigour.
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Superiority of hybrids over parents only in vegetative growth not in yield. This phenomenon is termed as …………. .

Assertion : Phenotypic superiority of hybrid over either of its parents in one or more traits is termed hybrid vigour. Reason : Suppression of expression of recessive harmful genes occurs in heterozygotes.

The superiority of the hybrid obtained by cross breeding is called as ______

Assertion:Hybrid is superior than either of its parents. Reason:hybrid vigour is lost inbreeding.

Asseration :Hybrid is superior than either of its parents. Reasons : vigour is lost upon inbreeding.

Hybrid of wheat and rye.

What is hybrid?

When two unrelated individuals or lines are crossed, the performance of F_1 hybird is often superior to both its parents. This phenomenon is called