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KVPY SA Exam 2015 Question Paper
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© examsnet.com
Question : 76
Total: 80
BIOLOGY
Genomic DNA is digested with Alu I, a restriction enzyme which is a four base-pair cutter. What is the frequency with which it will cut the DNA assuming a random distribution of bases in the genome?
1
4
1
24
1
256
1
1296
Validate
Solution:
Restriction site for Alu I is made up of four base pair & total four type of
N
2
base are present in DNA
∴ the frequency of Alu I to cut DNA
=
1
44
=
1
256
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