If you thought a person always has only one male parent and one female parent, well...you'd be wrong. Most of the time the two parent thing is the rule, but occasionally it is possible, mostly in a lab, to have a child with three genetic contributors. Show Notes: (It's a good thing this isn't on paper 'cause there are tons of notes this time) 228: Why Don't We Lay Eggs? We talk about how viruses change who we are. LiveScience: What is the maximum number of biological parents an organism can have? Genome Biology and Evolution from Oxford Academic: Genome Expression Balance in a Triploid Trihybrid Vertebrate Nature: First UK children born using three-person IVF: what scientists want to know Famous internet cat might not be a chimera but rather an example of mosaicism. Gotta love a chromosomal triploid NIH National Library of Medicine and the possibility of having "multiple parents": Mitochondrial Replacement Techniques: Ethical, Social, and Policy Considerations.

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