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Dihybrid test cross ratio is...

Dihybrid test cross ratio is

A

`1 : 2 : 1`

B

`1 : 1`

C

`9 : 3 : 4`

D

`9 : 3 : 3 : 1`

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The correct Answer is:
D
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GRB PUBLICATION-MENDELIAN INHERITANCE-Multiple Choice Questions
  1. Organism heterozygous for two genes shall be:

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  2. Ratio 9 : 3 : 3 : 1 is due to:

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  3. Dihybrid test cross ratio is

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  4. Phenotypic dihybrid ratio in "F"(2) generation is:

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  5. In "F"(2) the phenotypic ratio of dihybrid cross is:

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  6. A tall pea plant with round seeds (TTRR) is crossed with a dwarf wrink...

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  7. A dihybrid for qualitative trait is crossed with homozygous recessive ...

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  8. When two hybrids of rrTt and Rrtt are crossed, the phenotypic ratio of...

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  9. Tall pea plant with red flower crossed to dwarf with white flower yiel...

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  10. Ratio 1:1:1:1 is obtained from a cross of

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  11. Phenotypic ratio of dihybrid test cross is:

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  12. In a dihybrid cross, pure homozygous plants will be:

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  13. Genotypic ratio of dihybrid cross is:

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  14. In pumpkins, yellow (Y) is dominant over white, big (B) is dominant ov...

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  15. In a cross between AABB xxaabb, the ratio of F(2) genotype between AAB...

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  16. Mendel's law of independent assortment is based on F(2) ratio of

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  17. Female AaBb is crossed with male Aabb. The gametes shall be:

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  18. From a cross AABb xx aaBb, the genotypes AaBB, AaBb, Aabb, aabb will b...

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  19. In a certain plant, red fruit ( R ) is dominant over yellow fruit ( r...

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  20. In guinea pigs, smooth coat (S) is dominant over rough coat (s) and bl...

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