The body weight of offspring of bird species is range between 12 gm to 18 gm. In a laboratory experiment, species was subjected to selection pressure having influence on the offspring body weight. After many generations of experimental selection pressure, the body weight range between 14 gm to 16 gm. Which of the following natural selection operate on this species?

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#Question id: 16449

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Variants of PCR has been devised for mutational analysis 

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#Question id: 15603

#Section 6: Plant, Animal and Microbial Biotechnology

Novel antibiotic can be made by

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#Question id: 1899

#Section 2: General Biology

Which of the following statements is NOT TRUE? Rejection of a second (set) skin graft from the same allogeneic donor:

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#Question id: 194

#Section 2: General Biology

Which does not return to its original form after each catalysis?

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#Question id: 15914

#Section 6: Plant, Animal and Microbial Biotechnology

What is animal tissue culture?