From: X-Chromosome Inactivation and Mutation Pattern in the Bruton’s Tyrosine Kinase Gene in Patients with X-linked Agammaglobulinemia
Pattern of XCI
No BTK Mutations (2/20 = 10%)
Presence of BTK Mutations (18/20 = 90%)
Non-random
n°10
1
9
Random
n°6
5
Skewed
n°1
-
Non-informative
n°3
3