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Standard IX
Biology
Down's Syndrome
If haploid ch...
Question
If haploid chromosome number is
10
, the monosomic number shall be
A
9
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B
18
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C
10
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D
19
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Solution
The correct option is
D
19
Monosomy: Loss of single chromosome ( 2n-1 ).
Hence Monosomic number shall be 2*10-1 i.e 19
So, the correct answer is '19'.
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