Table I. Summary of FACS data.
| E13.5 # | % Rb–/– | wt G1 | wt S | wt G2/M | Rb–/– G1 | Rb–/– S | Rb–/– G2/M |
|---|---|---|---|---|---|---|---|
| 1 | 17.8 | 86.4 | 5.1 | 8.3 | 67.4 | 9.7 | 22.5 |
| 2 | 45.6 | 98 | 1.2 | 0.4 | 85.1 | 6.6 | 8.4 |
| 3 | 22.5 | 95.7 | 3 | 1.6 | 79.1 | 6.4 | 14.9 |
| 4 | 27.7 | 96.9 | 2.3 | 1.2 | 82.5 | 7.2 | 10.3 |
| 5 | 11.3 | 86.3 | 5.8 | 8.1 | 59.6 | 14.9 | 25.3 |
| 6 | 6.8 | 92.1 | 3.8 | 4.2 | 66.2 | 16.7 | 16.9 |
| 7 | 14.3 | 93 | 5.5 | 1.5 | 53.9 | 23.9 | 22 |
| 8 | 27.8 | 96.6 | 3.4 | 0.2 | 71.2 | 19 | 9.8 |
| 9 | 21.4 | 77.3 | 14.7 | 7.6 | 65.1 | 15.4 | 19.6 |
| 10 | 9.6 | 91.8 | 4.5 | 3.9 | 72.4 | 9.5 | 17.8 |
| Average | 20.48 | 91.41 | 4.93 | 3.7 | 70.25 | 12.93 | 16.75 |
| SD | 11.43 | 6.43 | 3.73 | 3.24 | 9.92 | 5.95 | 3.83 |
| Rb/wt t-test | 2.3 × 10–5 | 0.0021 | 7.7 × 10–6 |
%Rb–/–, Rb–/– cell contribution; wt, wild-type cell population; Rb–/–, Rb–/– cell population; Rb/wt t-test, p value for two-tailed T-test for the difference between wild-type and Rb–/– populations.