Question

to produce a human gene in goat’s milk, you would fuse:
regulatory elements from a human protein to the coding region of a protein produced in goat’s milk.

the coding region of a human gene to the coding region of a goat gene.

regulatory elements from a protein produced in goat’s milk to the coding region of the human gene.

the regulatory elements from a goat-milk protein to the regulatory elements from a human protein.

regulatory elements from a human protein to the human coding region.

Explanation:

To produce a human gene product in goat's milk, the human coding region (which specifies the protein) needs to be controlled by regulatory elements that drive expression in goat milk. Goat milk protein regulatory elements ensure the human coding region is expressed in the goat's mammary glands, resulting in the human protein being secreted in milk. Other options either use incorrect regulatory elements (human instead of goat milk-specific) or fuse coding regions/regulatory elements without directing expression to milk.

Answer:

regulatory elements from a protein produced in goat's milk to the coding region of the human gene.