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Standard XII
Biology
Trisomy X and Other Conditions
Question
Haploid number is
10.
What shall be the tetrasomic number?
22
18
20
19
A
22
B
20
C
19
D
18
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Solution
Verified by Toppr
Tetrasomy is possessing four instead of the usual pair of chromosomes in an otherwise diploid cell; that is, having a chromosome number of 2n + 2.
Relating to a cell nucleus in which one chromosome is represented four times, whereas all others are present in the normal number.
So here 10 is the haploid number. tetrasomic number is 2n+2= 2*10+2=22
So, the correct answer is '22'
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Similar Questions
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Haploid number is
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Q2
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Q3
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