Misleading students into thinking their parents can't be their bio-parents seems like a really important reason not to use fake examples of Mendelian traits.
Just institute universal paternity testing and that can never happen.
BTW the technology exists (and have been sold for nearly 20 years) to determine paternity, sex and genetic diseases in an infant 2-6 weeks after CONCEPTION from the mother's blood.
This isn't necessarily a bad thing—studies[1] have shown that adoption discovery between birth and two years of age may increase life satisfaction and decrease stress.
The same applies to other cases where parents aren't genetically related to their children (i.e., donor egg and/or sperm).
If I'm understanding you correctly, are you asking whether parents are required to tell their adoptive children that they are adopted? In the US definitely not, and I think that's probably the case most places.
Whether or not the parents had a paternity test performed wouldn't have any bearing on it.
It was a rhetorical question, sorry :) It sounded like they were saying that the only cause of kids being confused about their biological parents was infidelity.
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[ 2.8 ms ] story [ 37.7 ms ] threadBTW the technology exists (and have been sold for nearly 20 years) to determine paternity, sex and genetic diseases in an infant 2-6 weeks after CONCEPTION from the mother's blood.
The same applies to other cases where parents aren't genetically related to their children (i.e., donor egg and/or sperm).
[1] https://www.theatlantic.com/family/archive/2019/07/adoption-...
Whether or not the parents had a paternity test performed wouldn't have any bearing on it.