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The most likely reason for the developme...

The most likely reason for the development of resistence against pesticides in insects damaging a crop is

A

Random mutations

B

Genetic recombination

C

Directed mutations

D

Acquired heritable changes

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The correct Answer is:
A
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AAKASH INSTITUTE-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-C) Previous Years Questions
  1. the linkage map of X -chroosomes of fruitfly has 66 units with yellow ...

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  2. In a plant, red fruit (R ) is dominant over yellow fruit (r ) and tall...

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  3. A normal woman, whose father was colour blind is married to a norma...

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

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  5. Triticale, the first man-made cereal, crop has been obtained by cros...

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  6. Normally DNA molecule has A-T, G-C pairing. However, these bases can e...

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  7. The most striking example of point mutation is found in a disease call...

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  8. Identify the one, which causes gene mutation

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  9. mutations are mainly responsible for controlling :

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  10. Which of the following is the main category of mutation

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  11. Change in sequence of nucleotide in in DNA is called

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  12. When a cluster of genes shows linkage behaviour they

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  13. Genetic map is one that :

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  14. In mutational event, when adenine is replaced by guanine, it is a cas...

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  15. The most likely reason for the development of resistence against pesti...

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  16. When two genetic loci produce identical phenotypes in cis as well as i...

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  17. What base is responsible for hot spots for spontaneous point mutations...

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  18. Nucleus of a donor embryonal cell/somatic cell is transferred to an en...

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  19. Genes for cytoplasmic male sterility in plants are located in

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  20. Extra nuclear inheritance is a consequence of presence of genes in

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