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I feel like this is a misunderstanding how strict Mendelian genetics is.

Most evolutionary theorists think more like physicists and do realize every trait is selectable.

This is a problem I have with this sort of journalism. In the big picture, the prevalence of the effect is low, and so we do not have to throw away all of reproductive and evolutionary biology as a consequence, but that is exactly what creationists will claim.

This... Mendel's law is only applicable to a really small hand full of traits.

Try saying that around a geneticist :( most i know consider mendelian genetics to apply to everything and nearly all traits/phylogenies are considered monogenic.

You hang out with the wrong geneticists. Most do not consider most traits to be monogenetic. It’s just vastly easier to focus on them when doing research. But the field as a whole has long since accepted that most interesting traits aren’t Mendelian. The whole field of GWAS and (e)QTL studies is founded around that recognition, and virtually all modern genetic models assume at least an additive effect of (known and unknown) variations as contributors to a given phenotype (and have, for a very long time).

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