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Yeah, if you want to search more on it, the technique is called vegetative propagation, it is a procedure by which potatoes are cloned rather than bred. It happens to be really easy for potatoes. Searching for "mcdonalds genetically" is bound to be saturated with GMO articles.

The lack of identicality of the fries themselves turns out to be a part of McDonald’s’ broader engineering, as a matter of fact. (You could have expected this—this is the same company whose chicken nuggets come in well-defined named shapes—but it’s not terribly well talked about.) If all the fries at McDonald’s were uniformly long they would have bad stacking properties and would give you too much in your fry cup when filled, etc., so any new potato brand that they accept, or any change to their procedures for cooking their fries, must pass a bunch of stringent tests including having a certain distribution between shorter and longer fries.

In this case there is a page on McDonalds.com which specifies the only four monocultures which they exclusively farm to make McDonalds fries.



>it is a procedure by which potatoes are cloned rather than bred.

I might be wrong, but this is how many edible crops are propagated. Apples for instance are generally clones, because the alternative is getting a new kind of apple every time.


I agree, it seems common. Tomatoes (at least the good ones) and bananas also come to mind.




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