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Jan. 8th, 2009 03:30 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
fenrisrangerWOAH, SCIENCE FAIL. Tuesday's SVU--Fin suggests that the mom "stepped out", and that explains why a mom with type-A blood could give birth to a daughter with type B. And Elliot's all "Doctor Manning said that with her blood type, there's no way she gave birth to Heather." FAIL. Assuming the mom's heterozygous A, which in the US is common (also, point of interest, what my mother is), if the real father was B or AB, there's either a 50% or 25% chance that the daughter comes out type B depending on the dad's genotype.
