Answer:
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Answer: The answer is A. rare
Explanation:
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Answer: Nucleus
Explanation: The word hereditary refers to genes that are passed on from one generation to the next. All genetic information is stored inside the nucleus of cells in the form of DNA.
genes is the answer
A gene mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people. Mutations range in size; they can affect anywhere from a single DNA building block (base pair) to a large segment of a chromosome that includes multiple genes.
