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

Question

Biology

Colten

29 December, 23:42

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

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Answers (2)

Know the Answer?

Timothy Hunt · Answer 1

It occurred doing meiosis, as when the gametes were combining a third chromosome was added to the 21st pair and caused Trisomy 21 Sydnrome, or as we know it, Down’s Syndrome.

Bumblebee · Answer 2

Bumblebee 30 December, 00:49

0

It occurred during meiosis.