We used high-resolution karyotyping to confirm a deletion ( 10-12Mb ) [ del ( 1 ) ( p31.2p32.3 ) ] and found no structural abnormalities in the father , suggesting a de novo event .
O O O O O O O B-SequenceVariant I-SequenceVariant I-SequenceVariant I-SequenceVariant O B-SequenceVariant I-SequenceVariant I-SequenceVariant I-SequenceVariant I-SequenceVariant I-SequenceVariant I-SequenceVariant O O O O O O O O O O O O O O O O