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Home Biotechnology Animal Breeding and Transgenic Animal Comments

  • Question
  • In transgenic fish, the genes are introduced by


  • Options
  • A. microinjection in fish
  • B. viruses
  • C. transfer of whole nuclei
  • D. all of these

  • Correct Answer
  • microinjection in fish 


  • Animal Breeding and Transgenic Animal problems


    Search Results


    • 1. For the rapid genetic progress, embryo transfer (ET)

    • Options
    • A. will be as potent a tool as AI (artificial insemination)
    • B. will not be as potent a tool as AI (artificial insemination)
    • C. ET can't be used at all
    • D. will be a superior tool than AI
    • Discuss
    • 2. DNA microinjection into the egg has been used to produce which of the following transgenic animals?

    • Options
    • A. Mice
    • B. Chicken
    • C. Pigs
    • D. All of these
    • Discuss
    • 3. In which year, Dolly the first mammalian clone was born?

    • Options
    • A. 1995
    • B. 1997
    • C. 1996
    • D. 1998
    • Discuss
    • 4. The success of embryo transplantation depends upon the ability to obtain an increased number of embryos from animals of superior genetic merit, which can be achieved by the use of

    • Options
    • A. exogenous gonadatrophic hormones
    • B. endogenous gonadatrophic hormones
    • C. both (a) and (b)
    • D. FSH (Follicle Stimulating Hormone)
    • Discuss
    • 5. Multiple ovulation and embryo transfer (MOET)

    • Options
    • A. can increase the rate of progress in dairy cattle
    • B. allows progeny testing of males
    • C. allows progeny testing of females
    • D. all of the above
    • Discuss
    • 6. Which of the following statements best describes a clone?

    • Options
    • A. An artificial life form
    • B. An offspring where all of the genetic material in every cell is identical to that of both parents
    • C. An offspring where all of the genetic material in every cell is identical to that of one of its parents
    • D. A type of sheep
    • Discuss
    • 7. Which of the following best describes artificial insemination?

    • Options
    • A. Transplanting an embryo into the uterus
    • B. Fertilization of an egg in a test tube
    • C. Selectively breeding healthy animals
    • D. Taking the sperm and placing it directly
    • Discuss
    • 8. Which part of a cell carries the information that is passed from one generation to the next?

    • Options
    • A. Cell
    • B. Nucleus
    • C. Cytoplasm
    • D. Chloroplast
    • Discuss
    • 9. Chromosomes may be isolated from metaphase cells by

    • Options
    • A. hypertonic lysis
    • B. hypotonic lysis
    • C. either (a) or (b)
    • D. isotonic lysis
    • Discuss
    • 10. The nucleous of mature unfertilized ovum may be removed by

    • Options
    • A. irradiation
    • B. surgery
    • C. both (a) and (b)
    • D. neutralization and homogenization
    • Discuss


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