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- Question
Fusion of karyoplast with the enucleated cell is achieved in presence of
Options- A. cytochalasin B
- B. polyethylene glycol
- C. both (a) and (b)
- D. alcohol
- Correct Answer
- polyethylene glycol
- 1. Transgenic goats have been used to produce which of the following protein that is used for dissolving blood clots?
Options- A. Amyloid precursor protein
- B. ?1-anti trypsin (AAT)
- C. Casein
- D. A variant of human tissue-type plasminogen activator Discuss
- 2. Production of transgenic animals require transfections of
Options- A. eggs or embryos
- B. stem cells
- C. red blood cells
- D. all of these Discuss
- 3. DNA is microinfected into the fertilized egg
Options- A. after the fusion of male and female nuclei
- B. before the fusion of male and female nuclei
- C. at the time of fusion of male and female nuclei
- D. any time, it can be infected Discuss
- 4. The number of follicles at any particular stage is governed by
Options- A. the rate of entry of dormant follicles
- B. the rate of growth of follicles
- C. the rate of loss of follicles
- D. all of the above Discuss
- 5. For the transfer of whole individual chromosomes, they are isolated from the cells at
Options- A. prophase
- B. metaphase
- C. telophase
- D. anaphase Discuss
- 6. Superovulation is primarily the result of
Options- A. decreased atresia in medium and large follicles (>1.7 mm)
- B. increased atresia in medium and large follicles (>1.7 mm)
- C. increased atresia in the large follicles (<1.7 mm)
- D. decreased atresia in small follicles (<1.7 mm) Discuss
- 7. Transgenic goats produce a variant of human tissue type plasminogen activator protein in
Options- A. blood
- B. urine
- C. milk
- D. muscles Discuss
- 8. Which of these established cell lines originate from a mouse embryo?
Options- A. 3T3
- B. BHK
- C. HeLa
- D. BTK Discuss
- 9. When the cells are enucleated and centrifuged, nuclei
Options- A. detach from cell and settle at the bottom
- B. detach from cell and remain in the supernatant
- C. nuclei remain attached to the cell
- D. none of the above Discuss
- 10. Which of the following statements is false?
Options- A. Continuous variation produces a spread of variation within a population
- B. Discontinuous variation is the result of genetics alone
- C. Blood group is an example of discontinuous variation
- D. Discontinuous variation is influenced by the environment Discuss
Animal Breeding and Transgenic Animal problems
Search Results
Correct Answer: A variant of human tissue-type plasminogen activator
Correct Answer: eggs or embryos
Correct Answer: before the fusion of male and female nuclei
Correct Answer: all of the above
Correct Answer: metaphase
Correct Answer: decreased atresia in medium and large follicles (>1.7 mm)
Correct Answer: milk
Correct Answer: 3T3
Correct Answer: detach from cell and settle at the bottom
Correct Answer: Discontinuous variation is influenced by the environment
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