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valentina_108 [34]
3 years ago
13

​_____ is a genetic variation associated with characteristic facial appearance, learning disabilities, and physical abnormalitie

s such as heart valve disease.
Biology
2 answers:
attashe74 [19]3 years ago
6 0

Answer: Down syndrome

Explanation:

kap26 [50]3 years ago
3 0

Answer:

Down syndrome

Explanation:

Down syndrome is a genetic disorder that occurs when an abnormal cell division results in an extra copy of chromosome 21. <em>Some symptoms of this syndrome are distinct facial features (small ears, small head, flat face, etc.), short height and even heat defects.</em>

I hope you find this information useful and interesting! Good luck!

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