The transformed cells are plated on media containing ampicillin and medium containng ampicillin and X-gal (a histochemical substrate that, when cleaved by ß-galactosidase, forms a blue-colored product). Transformants appear as white colonies on ampicillin medium and as blue colonies on ampicillin/X-gal medium. The tranformed colonies phenotype is Lac+ and ampicillin resistanct. Each kit contain a coupon for prepaid delivery of perishable materials.
Teacher Demonstration Kit and Student Kits include:
