redheadartgirl t1_jdlvqyv wrote
Reply to comment by platinums99 in TIL, the placenta that forms with a fetus isn't created by the mother. It grows from the fertilized egg and some fetuses actually develop outside the uterus attached to the intestines in the body cavity. by darw1nf1sh
To better clarify, the placenta has the fetus's DNA, not the mother's. It's correct to say it isn't created by the mother.
krustymeathead t1_jdly673 wrote
yeah the mother is a separate host. sorta like having a tapeworm. except the mother also has organs with tapeworm eggs.
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