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Harrizon [31]
3 years ago
5

When a child is born with down syndrome when did the mutation occur

Biology
1 answer:
bazaltina [42]3 years ago
7 0

Answer:

Down syndrome occurs when the nondisjunction occurs with Chromosome 21. Meiosis is a special type of cell division used to produce our sperm and egg cells.

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8 0
2 years ago
Read 2 more answers
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Explanation:

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5 0
3 years ago
What is the daughter nucleus (nuclide) produced when 211 Pb undergoes beta decay by emitting an electron? Replace each question
poizon [28]
<h2>Daughter Nucleus</h2>

Explanation:

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8 0
2 years ago
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