MCQ
Giant mouse has been produced through:
- ATissue culture
- BGene differentiation
- CGene manipulation
- DAll of the above
Explanation:
A transgenic animal is that animal which carries the foreign gene. Foreign gene is inserted into the genome by the process of recombinant DNA technology and such DNA is called as recombinant DNA which is then transferred into embryos prior to birth. Normal mice cannot be infected with poliovirus due to lack of receptors as humans on the cell-surface So, the giant mouse is developed from a fertilized egg transformed with a recombinant DNA molecule containing the gene for human growth hormone which acts as a strong mouse gene promoter and consists receptors for poliovirus in their cell surface.
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| List-A Bioactive Products | List-B Microorganisms(Source Organisms) |
| (A) Cyclosporine-A | (i) Streptococcus |
| (B) Statin | (ii) Trichoderma polysporum |
| (C) Streptokinase | (iii) Penicillium notatum |
| (D) Penicillin | (iv) Monascus purpureus |
$A$. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.
$B$. Tropical environments are more seasonal.
$C$. More solar energy is available in tropics.
$D$. Constant environments promote niche specialization.
$E$. Tropical environments are constant and predictable.
Choose the correct answer from the options given below.