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Which one of the following cannot be exp...

Which one of the following cannot be explained on the basis of Mendel's Law of Dominance ?

A

The discrete unit controlling a particular character is called a factor

B

Out of one pair factors one is dominant and the other is recessive

C

Alleles do not show any blending and both the characters recover as such in `F_1` generation

D

Factors occur in pairs .

Text Solution

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The correct Answer is:
C
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USHA PUBLICATION-HEREDITY & VARIATION -EXERCISE
  1. The genotype of a plant showing the dominant phenotype can be determin...

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  2. Which one of the following cannot be explained on the basis of Mendel'...

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  3. Inheritance of flower colour is an example of incomplete dominance , w...

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  4. The graphical representation to calculate the probability of all possi...

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  5. The F2 genotype ratio of monohybrid cross is :

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  6. To determine heterozygosity of a cross , one has to perform :

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  7. Test cross is a cross between :

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  8. A gene that masks another gene's expression is called :

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  9. Genes exhibiting multiple effects are known as :

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  10. In case of incomplete dominance , what will be the phenotypic ratio of...

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  11. Genes are made up of :

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

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  13. In garden pea , yellow colour of cotyledons is dominant over green and...

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  14. A true breeding plant producing red flowrs is crossed with a pure plan...

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  15. Test cross is a cross between :

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  16. The phenotypic ratio in the F2 generation of dihybrid cross is :

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  17. Grain colour in wheat is determined by three pairs of polygene . Follo...

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  18. Which of the following genes show the heterozygous condition ?

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

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  20. Which of the following is best suited for codominance ?

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