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In one kind of abnormal chromosome inheritance called Down syndrome, a child has three copies of A. chromosome 23. B. chromosome Y. C. chromosome 21. D. chromosome X.
In one kind of abnormal chromosome inheritance called Down syndrome, a child has three copies of chromosome 21.
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Asked 10/18/2013 10:53:23 AM
Updated 11/7/2016 12:51:06 PM
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Unflagged by jeifunk [11/7/2016 12:51:04 PM], Edited by jeifunk [11/7/2016 12:51:06 PM]
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In one kind of abnormal chromosome inheritance called Down syndrome, a child has three copies of chromosome 21.
Added 11/7/2016 12:38:57 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/7/2016 12:51:07 PM]
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