Table 1.

Estimates of the number of extra copies of the repeat unit in three Wld^s mice

Mouse	Lower estimate based on upward-shifted BlpI band	Upper estimate on downward-shifted EcoRV band
Wld A	1.58	2.56
Wld B	1.67	2.69
Wld C	1.16	1.62

Based on the ratio of signal intensity, shifted band/constant band as shown in Fig. 2c. WldA and WldC correspond to the DNAs shown in Fig. 4.