Fig. 2From: Next generation sequencing of RB1gene for the molecular diagnosis of ethnic minority with retinoblastoma in YunnanThe variants of the probands. Arrows denote the mutations (the proband). Mutations of retinoblastoma identified by Sanger Sequencing in family 1, 4, 7. a The mutation of the family1; b The mutation of the family 4; c The mutation of the family 7Back to article page