This may be caused by the loss of three different genes , each of which has different additional effects , resulting in three types of syndromes . This may be caused by the loss of three different genes , each of which has different additional effects , resulting in three types of syndrome .
Ini mungkin disebabkan oleh kehilangan tiga gen yang berbeza, masing-masing mempunyai kesan tambahan yang berbeza, mengakibatkan tiga jenis sindrom. Ini mungkin disebabkan oleh kehilangan tiga gen yang berbeza, masing-masing mempunyai kesan tambahan yang berbeza, mengakibatkan tiga jenis sindrom.