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The phenotypic ratio obtained in quantit...

The phenotypic ratio obtained in quantitive inheritance of a dihybrid cross is
or
In a cross between red kernelled and white kernelled varities of wheat showingf polygenic inheritence the phenotypic inheritence the phenotypic ratio in `F_(2)` generation will be

A

`1 : 2 : 1`

B

` 9 : 3 : 3 : 1`

C

`1 : 4 : 6 : 4 : 1`

D

`1 : 6 : 15 : 20 : 15 : 6 : 1`

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The correct Answer is:
C
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GRB PUBLICATION-MENDELIAN INHERITANCE-Multiple Choice Questions
  1. grain clour in wheat isdetermined by three pairs if polygenes. Followi...

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  2. Kernel colour in wheat shows an "F"(2) ratio of 1 : 4 : 6 : 4 : 1. It ...

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  3. The phenotypic ratio obtained in quantitive inheritance of a dihybrid ...

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  4. Which of the following is not a quantitative trait?

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  5. Identify the correct match between inheritance and their examples: {...

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  6. In Lathyrus odoratus, cross between two purple flowered plants give a ...

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  7. Two dominant independently assorting genes react with each other. They...

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  8. The ratio of 9 : 7 is due to:

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  9. Two or more independent genes present on different chromosomes which d...

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  10. Genes A and B are necessary for normal hearing. What is the possible g...

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  11. Supplementary gene interaction in "F"(2) results in a phenotypicc rati...

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  12. In a dihybrid cross "F"(2) ratio of 15 : 1 is due to:

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  13. Which one is an interaction of genes

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  14. In epistasis:

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  15. The gene which suppresses and masks the expression of other is:

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  16. Epistasis effect in which the dihybrid cross AaBb xx AaBb resulting in...

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  17. Gene which suppresses other gene's activity but do not lie on same loc...

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  18. "F"(2) dihybrid ratio 12 : 3 : 1 is explained on the basis of:

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  19. The process that involves intergenic supperssion or the masking effect...

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  20. One gene pair hides the effect of another. The pheomenon is:

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