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If the above noral gene sequence changes...

If the above noral gene sequence changes to ABCABCDEFGH, then has occurred.

A

deletion

B

point mutation

C

inversion

D

duplication

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The correct Answer is:
D
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AAKASH SERIES-PRINCIPLES OF INHERITANCE AND VARIATION-EXERCISE -II
  1. Cis-trans expression of genes is an example of

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  2. In genetic crosses showing recessive eipstaiss such as mice coat colou...

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  3. Independent genes that copy other genes so as to produce a similar eff...

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  4. Chromosome map is useful for

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  5. The percentage rof recombination involving th seed shape and seed colo...

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  6. Genetic map is one that

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  7. Distance between the ganes and prcentage of recombination shows.

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  8. The type of gene mutation that involves the replacement of purine with...

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  9. Mutations induced by 5-bromo uracil are

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  10. Given below is the representation of a kind of chromosomal mutation: ...

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  11. Inversion without involving the centromere is called

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  12. Asneuploidy which results in the loss of a complete homologous pair of...

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  13. Crtoplasmic male sterlity in maize is due to defective

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  14. Duplication of same gemome leads to

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  15. Which of the following will cause a more effective mutation?

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  16. Recessive mutations are expressed normally in

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  17. If the above noral gene sequence changes to ABCABCDEFGH, then has occu...

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  18. In gene mutations when a purine is substitde by another purine it is c...

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  19. If a part of gene is totally missing, it is called

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  20. Conditions of a karyotype 2n+-1 and 2n+-2 are called

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