<prompt> Translate the following text to EnglishKatika kesi ya Dolly, walichukua chembe ya maziwa na kuikuza kwenye bakuli la Petri katika utamaduni wa seli ili itokeze nakala zaidi za yenyewe.  <response>: In Dollys case, they took a mammary cell and grew it on a petri dish in cell culture so that it produced more copies of itself. 