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The crossing over between homologous chr...

The crossing over between homologous chromosomes never exceeds beyond

A

0.5

B

0.75

C

1

D

0.85

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A
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Name the stage of cell cycle at which one of the following events occur: (i) Chromosomes are moved to spindle equator (ii) Centromere splits and chromatids separate (iii) Pairing between homologous chromosomes takes place (iv) Crossing over between homologous chromosomes takes place

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Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres

Arrange the various phenomena of meiosis in a correct sequence (A) Pairing of homologous chromosomes (B) Separation of genomes (C ) Recombination between two chromosomes (D) Chaismata

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AAKASH SERIES-PRINCIPLES OF INHERITANCE AND VARIATION-EXERCISE -II
  1. What will be the phenotypic ratio in a situation of complementary gene...

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  2. If gene freuency between genes a and c 2%, b and c 13%, b and d 4%, a ...

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  3. The crossing over between homologous chromosomes never exceeds beyond

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  4. Cis-trans expression of genes is an example of

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

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

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  7. Chromosome map is useful for

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

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  9. Genetic map is one that

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

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

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  12. Mutations induced by 5-bromo uracil are

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

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  14. Inversion without involving the centromere is called

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

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  16. Crtoplasmic male sterlity in maize is due to defective

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  17. Duplication of same gemome leads to

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

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  19. Recessive mutations are expressed normally in

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

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