EH-BES had normal karyotype and produced chimeras.
(A) EH-BES had normal karyotype (40 chromosomes). (B) The female chimera showed chimeric coat color and cataract development (indicated by arrow). (C) The female chimera (indicated by arrow) produced four offspring after mated with normal BALB/C mouse, of which two offspring showed white coat color. (D) The white offspring showed cataract development (indicated by arrow).