Case Report

Three Supernumerary Marker Chromosomes in a Patient with Developmental Delay, Mental Retardation, and Dysmorphic Features

Figure 3

(a) FISH showing the ring chromosome containing two signals for the RP11-305G6 (green, 5q35.3) and two signals for RP11-1122J3 (red, 15q11.2); (b) FISH showing one der(18) with signal for D18Z1 (green) only and another der(18) with one signal for D18Z1 (green) and for RP11-703l16 (red, 18p11.2).