Changes in chromosome number are usually the result of what?

asked Feb 14, 2018 191k views

3 votes

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4 votes

Non-disjunction or a chromosomal mutation such as insertion or deletion

Tony Morris answered Feb 16, 2018

9.0k points

1 vote

Changes in chromosome numbers usually result of Down syndrome,

Charmalade answered Feb 20, 2018

8.4k points

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