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Variations during mutations of meiotic r...

Variations during mutations of meiotic recombinations are

A

random and directionless

B

random and directional

C

random and small

D

random, small and directional

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The correct Answer is:
A
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AAKASH SERIES-EVOLUTION-EXERCISE - I (BIOLOGICAL EVOLUTION ( THEORIES OF EVOLUTION & MECHANISM OF EVOLUTION))
  1. New species arise by sudden jump according to

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  2. There are no intermediate stages in the course of evolution according ...

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  3. According to Darwin, if new variations are to be inherited they should...

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  4. Hugo de Vries gave his mutation theory on organic evolution while work...

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  5. The most likely reason for the development of resistance against pesti...

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  6. Which one of the following scientist's name is correctly matched with ...

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  7. Which of the following evidences does not favour the lamarckian concep...

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  8. The diversity in the type of beaks of finches adapted to different fee...

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  9. Darwinism explains all the following except

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  10. Given below are four statements (A-D) each with one or two blanks. Sel...

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  11. Single step large mutation leading to speciation is also called

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  12. By the statement 'survival of the fittest', Darwin meant that

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  13. Which of the following are the two key concepts of Darwinian theory of...

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  14. According to Lamarckism, long necked giraffes evolved because

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  15. Each of us is part of the ongoing evolution of the species which of th...

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  16. Which of the following statements about natural selection are correct?...

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  17. Replacement of the lighter-coloured variety of peppered moth (Biston b...

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  18. Appearance of antibiotic-resistant bacteria is an example of

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  19. Which of the following is an example for link species?

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  20. Variations during mutations of meiotic recombinations are

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