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Down syndrome occurs when an individual has a mutation of chromosome 21. In what organelle does this mutation occur? A)cell wall B)genes C)mitochondria D)Nucleus​
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Down syndrome occurs when an individual has a mutation of chromosome 21. In what organelle does this mutation occur? A)cell wall B)genes C)mitochondria D)Nucleus​

User Vsminkov
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D) your dna is held in the nucleus and therefore would occur in the nucleus
User Don Hosek
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Answer: B

Explanation: A chromosome is a long strand of DNA. Your DNA is the sequence that holds the "info" to make a gene.

User Keppil
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