KVPY SA Exam 2015 Question Paper

Question : 76 of 80

Marks: +1, -0

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

Go to Question:

Prev Question

Next Question