Figure 6.

Mating schematic for testing the effect of dCTCF on the maintenance of the Dp(1;f)LJ9 imprint. Two sets of progeny are generated from this cross: progeny that have independently inherited the Dp(1;f)LJ9 mini-X chromosome and a CTCFX mutant allele (modifier progeny) and progeny that have inherited Dp(1;f)LJ9 and the TM3, Sb Ser balancer, but had a parent carrying a CTCFX mutant allele (maternal and paternal effect test progeny).

MacDonald et al. BMC Biology 2010 8:105   doi:10.1186/1741-7007-8-105
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