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Ratio 9:7 is due to...

Ratio 9:7 is due to

A

Supplementary ganes

B

Lethal genes

C

complementary genes

D

Epistatic genes

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The correct Answer is:
C
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ALLEN-GENETICS & MOLECULAR BASIS OF INHERITANCE AND MUTATION-EXERCISE-I (CONCEPTUAL QUESTIONS)
  1. A child of blood group O cannot have parents of blood groups

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  2. One parents has blood group A and the other parents has blood group B,...

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  3. Ratio 9:7 is due to

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  4. A man of blood group A marries a woman of bloosd group AB. Which type ...

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  5. A child of O-group has B-group father. The genotype of father will be

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  6. When a red floweered plant was cross pollinated by white flowered one ...

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  7. In Andulassian fowl, the heterozygous condition of alleles for black p...

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  8. Epistatic gene differs from dominant gene in

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  9. A gene that shows its effect on more than one character is

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  10. In a multiple allele system, a gamete to have

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  11. In human beings blood grouping is controlled by

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  12. Multiple alleles are present

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  13. Which of the following disorders is not caused by pleiotropic alleles

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  14. Epistatic gene differs from dominant gene in

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  15. (A) Pleiotropic genes have multiple phenotypic effect (B) Multiple a...

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  16. In a genetic cross having recessive epistasis, F(2) phenotypic ratio w...

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  17. Sickle cell anaemia is due to

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  18. Assertion: In four o'clock or snapdragon plant, a cross between a homo...

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  19. Incomplete dominance is found in

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  20. In Mirabills jalapa , the homozygous white(rr) and Red (RR) flower col...

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