INSOURCED GENES DRIVE UTERUS. “The emergence of the uterus, the defining character of eutherian mammals, appears to have been facilitated independently in several mammalian families by transposons integrating into the regions controlling the expression of the prolactin gene. These transposons contain transcription factor binding sites that enable the prolactin gene to become expressed in the uterine cells.”
https://lnkd.in/ddVyNR5