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Superioority of the hybrid over both the...

Superioority of the hybrid over both the parents in respect of one or more characters.

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heterosis
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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.

A cross was carried out between two pea plants showing contrasting traits of height of the plants. The result of the cross showed 50% parental characters. Name the type of the cross carried out

A cross was carried out between two pea plants showing contrasting traits of height of the plants. The result of the cross showed 50% parental characters. Work out the cross with the help of a punnett square

When two pairs of traits are combined in a hybrid, segregation of one pair of characters is independent of the other pair of characters. The statement explains which of the following laws/principles of Mendel ?

Which one does represent a pair of contrasting characters?

If the hybrid do not passes some of the desired characters of parent, they are grafted with the particular parent possessing these characters. What is this called?

Correct the statements if required, by changing the underlined protions only Offsprings produced by two parents with one pair of contrasting character is called cybrid.

How many type of gametes may be formed form F_1 hybrid where two pairs of contrasting characters are taken in the dihybrid corss experiment?

MBD PUBLICATION-IMPROVEMENT IN FOOD PRODUCTION-QUESTION BANK
  1. In maize , hybrid vigor is exloited by :

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  2. Removal of stamens flower before the anthers mature ?

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  3. Superioority of the hybrid over both the parents in respect of one or ...

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  4. Study of floral characters and timing of processes involved in fertili...

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  5. Process of crossing between genetically dissimliar organisms.

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  6. is the odlest palnt breeding method practised for crop improvement.

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  7. Vegetatively propagted plant are selected by method.

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  8. Pure line selection is used in pollined crop.

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  9. Triticale is a hybrid betweeen wheat and .

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  10. Artificially induced are useful in hybridization programme.

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  11. is a hybrid between radish and cabbage.

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  12. Plant selection is usally based on physiological characters.

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  13. Clonal selection is applied in cross pollinated crops.

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  14. Raphanobrassica is an example of intraspecific hybridization.

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  15. During plant breeding programme , emasculation is followed by pollinat...

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  16. If the hybrid do not passes some of the desired characters of parent, ...

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  17. Bread wheat is a naturally occuring autoteraploid.

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  18. DISTINGUISH BETWEEN : Mass selection and pure line selection

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  19. DISTINGUISH BETWEEN : Hybrid vigour and inbreeding depression.

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  20. Identify the edible fresh water teleost?

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