Genetic drift 

Genetic drift is an evolutionary force, in which allelic frequency change over generation Just by chance (sampling error). 

The deviations from the expected ratios are random, the direction of change is unpredictable.

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#Id: 4541

#Unit 12. Applied Biology

The first recombinant subunit vaccine approved for use in humans (against hepatitis B) was made in yeast.

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#Id: 4542

#Unit 12. Applied Biology

DNA vaccines use the DNA of a pathogen to elicit an immune response.

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#Id: 4543

#Unit 12. Applied Biology

DNA is more stable than live vaccines, which avoids the need for refrigeration.

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#Id: 4544

#Unit 12. Applied Biology

TLS Online TPP Program

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#Unit 12. Applied Biology

Polyvalent vaccine a vaccine that immunizes against more than one disease.

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#Id: 4546

#Unit 12. Applied Biology

Edible vaccines are produced from transgenic plants in which an orally active antigen of the target pathogen is expressed and accumulated, and which is fed to animals/humans for immunization against the pathogen.