Fig. 2

Pictures and X-rays of syndactyly of pedigree patients

II4 (proband)the third and fourth fingers of the left hand were combined, and the toes were normal; III10 (patient)the third and fourth fingers of the right hand were combined, and the toes were normal; III12 Normal phenotype but carrier of pathogenic gene; IV7 third and fourth fingers of both hands were combined, and two repair operations have been performed.