Table 4

X chromosome number in clones that are pure or mosaic for XIST RNA signals

Clone Type

X Signals (# cells)

Percentage of

2

3

Cells with 2 X's

One inactive X

(22 clones)

67

3584

1.8

Both 1 and 2 inactive X's

(4 clones)

67

824

7.5*

* p < 0.001

Gartler et al. BMC Genetics 2006 7:41   doi:10.1186/1471-2156-7-41