Shouldn’t I like have 3 hands instead of 2 if I have an extra chromosome?
In: Biology
Not a biologist, and I am formulating a theory that an expert can destroy: A missing or severely malformed chromosome will prevent the development of a body, because vital functions do not exist. An additional chromosome can disturb cell operation in the whole body, but the others still function more or less, so the fetus may survive. It is easy to diagnose. Small damage to a functional chromosome (that is usually caught by the DNA’s redundancy) can affect single functions/molecules that may or may not have a severe effect, perhaps restricted to specific types of cells/tissue/locations.
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