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The most likely reason for the developme...

The most likely reason for the development of resistance against pesticides in insect 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 ENGLISH-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-C) Previous Years Questions
  1. The linkage map of X-chromosome of fruit fly 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 visioned woman, whose father is colour bline, marries a norma...

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  4. Hugo 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 crossing...

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  6. Out of A-T,G-C pairing bases of DNA may exist in alternate valency sta...

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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 the sequence of nucleotide in DNA is called as

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  12. When a cluster of genes show linkage behaviour they

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  13. Genetic map is one that

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

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

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  16. When two genetic loci produce identical phenotypes in cis and trans po...

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  17. Which base is responsible for hotspots for spontaneous point mutations...

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

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  19. Genes for cytoplsmic male sterility in plants are generally located in

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  20. Extranuclear inheritance is a consequence of presence of genes in

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