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Alexxandr [17]
3 years ago
6

A child is born with downsyndrome when did the mutation occur

Biology
1 answer:
Reil [10]3 years ago
4 0
It occurred during meiosis.
just took the test, hope this helps:)
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To know more about medulla oblongata, refer to the following link:

brainly.com/question/26723889

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