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The deafness gene chip. A: Woman’s chip: IVS7-2A>G carrier; B: Husband’s chip: IVS7-2A>G carrier; C, D: Both mothers’ chips: IVS7-2A>G carriers; E, F: Both father’s chips: completely norma.; G: Chip of woman’s older sister: completely normal.; H: Chip of husband’s young sister :IVS7-2A>G carrier; I, J: The twin fetus’s chips: IVS7-2A>G carriers; K: Chip of Amniotic fluid by the second cycle AID: IVS7-2A>G carrier.
