A) 2n+1,2n+3
B) 2n-1,2n-2
C) 2n, 2n +1
D) 2n -1,2n +1
Correct Answer: D
Solution :
When there is loss of one chromosome from a homotogoue pair (2n-1) called monosomy. When there is increase of one chromosome in any homologous pair (2n + 1) called trisomy.
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