All the following statements about Stanley Cohen and Herbert Boyer are correct but one is wrong. Which one is wrong

Options

A. They discovered recombinant DNA (rDNA) technology, and this marks the birth of modern biotechnology.
B. They first produced healthy sheep clone, a Finn Dorset lamb, Dolly, from the differentiated adult mammary cells.
C. They invented genetic engineering by combining a piece of foreign DNA containing a gene from a bacterium with a bacterial plasmid using the enzyme restriction endonuclease.
D. They isolated the antibiotic resistance gene by cutting out a piece of DNA from the pasmid which was responsible for conferring antibiotic resistance.

Answer

B