Additional file 1: Figure S1. of Sex chromosomes drive gene expression and regulatory dimorphisms in mouse embryonic stem cells

Abstract

Derivation of mouse ES cell lines. F1 hybrid blastocysts were obtained at embryonic day 3.5 from reciprocal crosses of mouse substrains C57BL/6 and CAST/EIJ (designated as B and C, respectively). Blastocysts were cultured individually and used to establish independent cell lines