During early embryo development in animals, maternal genes are expressed in preference to those of the zygote — the newly fertilized egg. But in plants it seems that zygote genomes switch on within hours of fertilization. See Letter p.94
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Notes
*This article and the paper3 under discussion were published online on 22 January 2012.
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Hale, C., Jacobsen, S. Equal-parenting policy. Nature 482, 42–43 (2012). https://doi.org/10.1038/nature10869
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DOI: https://doi.org/10.1038/nature10869