Home
Class 12
BIOLOGY
What method was carried in earlier days ...

What method was carried in earlier days to improve the genetic characteristic of live stock and domestic animals?

A

Pruning

B

Selective breeding

C

Transgenesis

D

Animal husbandry

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • APPLICATIONS OF BIOTECHNOLOGY

    SARAS PUBLICATION|Exercise EXAMPLE |102 Videos
  • APPLICATION OF BIOTECHNOLOGY

    SARAS PUBLICATION|Exercise EXERCISE|25 Videos
  • APPLICATIONS OF BITECHNOLOGY

    SARAS PUBLICATION|Exercise EXAMPLE|29 Videos

Similar Questions

Explore conceptually related problems

Now-a-days cancer-death is increasing day by day. Is this due to the change in living habits? a. What do you think about this statement? b. Give some characters of this disease. c . It is found out that mutations in some genes cause cancer. Justify this statement.

Two kittens (Leo and joe) form the same mother were separated and sent to different habitual conditions.Leo went to a high mountain wild region and joe was domesticated and lived in a city .After a good 5 years ,it was found that Leo was aggressive and built strong with hunting skills.Leo looked tall with strong legs and muscled structure ,whereas joe was a well mannered cat looked puffy with soft legs. (i)Do you think habitual condition impact animal characters? (ii)What acquired characters does Leo inherit?

____ is the common method of creating genetic variation to get improved varieties.

What are the different fishing methods carried out to harvest fishes ?

The diagrams shows vertical sections of kidneys of coypu, brown rat and kangaroo rat, showing the relative size and Coypu is found in freshwater and is never of short of water to drink. Brown rats are able to go some days without drinking. Kangaroo rats are able to live in deserts without drinking at all. Which kidney belongs to which animal.?

a. A comb run through one's dry hair attracts small bits of paper. Why? What happens if the hair is wet or if it is a rainy day? (A paper does not conduct electricity.) b. Ordinary rubber is an insulator. But special rubber tyres of aircraft are made slightly conducting. Why is necessary? c. Vehicles carrying inflammable materials usually have metallic ropes touching the ground during motion. Why? d. A bird perches on a bare high power line, and nothing happens to the bird. A man standing on the ground touches the same line and gets a fatal shock. Why?

Neurospora, an ascomycetes fungus has been used as a biological tool to understand the mechanism of plant genetics much in the same way as Drosophila has been used to study animal genetics. What makes Neurospora as a genetic tool? Justify your answer.

SARAS PUBLICATION-APPLICATIONS OF BIOTECHNOLOGY -EXAMPLE
  1. What method was carried in earlier days to improve the genetic charact...

    Text Solution

    |

  2. What is genetically engineered insulin ?

    Text Solution

    |

  3. How was Insulin obtained before the advent of rDNA technology? What w...

    Text Solution

    |

  4. ELISA is a technique based on the principles of antigen- antibody reac...

    Text Solution

    |

  5. Gene therapy is an attempt to correct a Genetic defect by providing a ...

    Text Solution

    |

  6. If a person thinks he is infected with HIV, due to unprotected sex, an...

    Text Solution

    |

  7. What are DNA vaccines ?

    Text Solution

    |

  8. Explain how "Rosie" is different from a normal cow.

    Text Solution

    |

  9. Mention the number of primers required in each cycle of PCR. Writen th...

    Text Solution

    |

  10. What are transgenic animals?

    Text Solution

    |

  11. Differentiate between Somatic cell gene therapy and Germline gene ther...

    Text Solution

    |

  12. What are stem cells? Explain their role in the field of medicine.

    Text Solution

    |

  13. PCR is a useful tool for early diagnosis of an Infectious disease. Ela...

    Text Solution

    |

  14. Explain why cloning of Dolly, the sheep was such a major scientific br...

    Text Solution

    |

  15. Mention the advantages and disadvantages of cloning.

    Text Solution

    |

  16. How is the amplification of a gene sample of interest carried out usin...

    Text Solution

    |

  17. Explain how ADA deficiency can be corrected ?

    Text Solution

    |

  18. One of the applications of biotechnology is 'gene therapy" to treat a ...

    Text Solution

    |

  19. Name the hereditary disease for which the first clinical gene therapy ...

    Text Solution

    |

  20. Mention the steps involved in gene therapy to treat this disease.

    Text Solution

    |

  21. What are recombinant vaccines ? Explain the types .

    Text Solution

    |