Problem:

Question: The amplification of TAS2R38 is possible because:

a) DNA will be isolated from the cells and the DNA contains this gene.

b) You ate bitter foods during development, so this gene will be expressed in the cells.

c) You will eat before the lab, so the gene will be expressed in the cells.

d) Cells will be isolated from the mouth, which is where this gene would be found.

Provide the correct answer and justification for your choice.