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in Bio Zoology by (49.7k points)

Mangolism is a genetic disorder which is caused by the presence of an extra chromosome number ______. 

(a) 20 

(b) 21

(c) 23 

(d) 19

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1 Answer

+1 vote
by (48.8k points)

Mangolism is a genetic disorder which is caused by the presence of an extra chromosome number 21.

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