| PCR primers: | PCR program: | |
| Cre forward: CGTACTGACGGTGGGAGAAT | (1) 94°C | 2 minutes |
| Cre reverse: GTGGCAGATGGCGCGGCAACA | (2) 94°C | 30 seconds |
| βactin forward: TGATGAGGCTCAGAGCAAGA | (3) 61.5°C | 30 seconds |
| βactin reverse: CACAATCCACACTTCCATGC | (4) 72°C | 30 seconds |
| Mix these primers together to make a primer mix containing 10 μM of each primer | (2 – 4) X 45 | |
| (5) 72°C | 5 minutes | |
| (6) 4°C | hold | |