The correct answer is microbiology.
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Microbiology is the branch of science that study microorganism. It contains a few sub-disciplines including virology (study viruses), parasitology (study parasites), mycology (study fungi) and bacteriology (study bacteria). Studied microorganism might be unicellular (one cell), multicellular (cell colony), or acellular (without cells).</span>
The answer is scientific question
Because bacterial life cycle is very short it complete in 20 minutes to produce copies. secomdly bacterial genome is simple to be handle.
Assuming that the trait of being able to taste the sample is a dominant trait, then the tasters have at least one of that dominant trait and the people who were not tasters had the homozygous genes for the recessive trait. Therefore, the answer is
10 - 30