How is the syndrome 22q11.2 deletion syndrome inherited?

Bassen-Kornzweig syndrome is inherited as an autosomal recessive disorder, which means that parents of affected individuals are themselves unaffected carriers, and that they have a 25% risk of having...

by parents or previous family members who had it

deletion syndrome is a disorder caused by the deletion of a small piece of chromosome 22. The deletion occurs near the middle of the chromosome at a location designated q11.2.

It is not inherited because it is impossible to have a baby if you have Klinefelter's Syndrome.