Fig. 3: Diepoxybutane (DEB) chromosome fragility test.
From: Natural human knockouts and Mendelian disorders: deep phenotyping in Italian isolates

The figure shows the outcome of the DEB test performed on the carrier of the NM_018062.3:c.2T>C variant in the FANCL gene. Red arrows indicate the typical triradial and quadriradial chromosome breakage patterns.