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Home Q & A Board Science-Related Homework Help Psychology Developmental Psychology
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pentapenguin pentapenguin
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9 years ago
Mongolism, now known as ___________ syndrome, is a disorder produced by the presence of an extra chromosome on the 21st pair.
a.  Tay-Sachs    c.  sickle-cell anemia b.  Down    d.  fragile X
Textbook 
Child Development: A Topical Approach

Child Development: A Topical Approach


Edition: 1st
Author:
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danielle2018danielle2018
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9 years ago
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pentapenguin Author
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#2
9 years ago
Exactly what I needed, thanks.
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#3
9 years ago
Slight Smile
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