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The term back cross refers to...

The term back cross refers to

A

A cross among `underset(1)(F)` hybrid

B

A cross between `underset(1)(F)` hybrid and either of parents

C

A cross between `underset(1)(F)` and `underset(2)(F) plants

D

None of these

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The correct Answer is:
B
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MODERN PUBLICATION-HEREDITY AND VARIATION-EXERCISE
  1. In a Mendelian hybrid experiment, F1 plants are :

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  2. The character which predominates and clearly seen in F1 generation is

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  3. The term back cross refers to

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  4. Which of the following ratio represents a test cross ?

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  5. Phenotypic ratio and genotypic ratio are the same in case of multiple ...

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  6. A gamete contains how many alleles of a gene ?

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  7. Find out the genotyps (s) of the offspring of the cross AaBb xx aabb

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  8. A cross between AaBB x aaBB produces the offspring with genotypes :

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  9. An allele is said to be dominant if it is expressed in :

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  10. Precentage of recessive phenotype in a cross between two hybrid is :

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  11. What will be the percentage of the tall plants with red flower in a cr...

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  12. In humans polygenes are responsible for

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  13. An F2 genotypic ratio of 1:4:6:4:1 instead of 9:3:3:1 indicates :

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  14. Fill in the blank: Organisms phenotypically similar and but genotypica...

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  15. In order to find out the different types of gametes produced by a pea ...

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  16. Which of the following is most suitable medium for culture of Drosophi...

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  17. In mendel's experiments with garden pea , round seed shape (RR) was d...

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  18. Which one of the following pairs of features is a good example of pol...

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  19. Mating of an organism to a double recessive in order to determine whet...

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  20. Two pea plants were subjected for cross pollination . Of the 183 plant...

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