A) 23rd pair with one less = 45
B) 21st pair with one more = 47
C) 17th pair with one more = 47
D) One extra sex chromosome = 47
Correct Answer: B
Solution :
The individuals with this syndrome are trisomic for chromosome 21. Chromosomal complement is 46 + additional chromosome 21 = 47.You need to login to perform this action.
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