An analytical agarose gel picture of BAC DNA fingerprinting. Gel was stained with SYBR gold and image acquired. Molecular masses of marker lane bands (kb) shown in every fifth lane, from the top, are 32.7, 23.1, 19.0, 15.3, 12.5, 10.0, 9.4, 8.0, 7.0, 6.6, 6.0, 4.4, 4.0, 3.0, 2.3, 2.0, 1.6, 1.4, and 1.0.