Differential activity of maternally and paternally derived chromosome regions in mice.

Abstract excerpt

Although both parental sexes contribute equivalent genetic information to the zygote, in mammals this information is not necessarily functionally equivalent. Diploid parthenotes possessing two maternal genomes are generally inviable, embryos possessing two paternal genomes in man may form hydatidiform moles, and nuclear transplantation experiments in mice have shown that both parental genomes are necessary for...

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