Which type of mutation is likely to have the least affect on an organism

Point Mutations

A point mutation—the change of a single nitrogen base in a DNA sequence—is usually the least harmful type of DNA mutation

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the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.