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777dan777 [17]
3 years ago
9

1. Mutations occur when the DNA does not copy itself correctly. Mutations are

Chemistry
1 answer:
Agata [3.3K]3 years ago
4 0
1 is D 2 is c 3 is A and 4 the nucleus is so big because it is one of our largest cells in our body... hope this helps!!!!!!!!!!!
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