How are the 3 mutated strands similar to each other?

There are three types of DNA Mutations: base substitutions, deletions and insertions. Single base substitutions are called point mutations, recall the point mutation Glu > Val which causes sickle-cell disease. Point mutations are the most common type of mutation and there are two types.

Explanation:

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

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