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Arindam Paul posted an Question
May 16, 2021 • 14:56 pm
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30 points
30 points
- IIT JAM
- Biotechnology (BT)
There are two single stranded dna of 10 nucleotides each. what is the probability that they form a double stranded dna with all the 10 base pairs in watson-cric
There are two single stranded DNA of 10 nucleotides each. What is the probability that they form a double stranded DNA with all the 10 base pairs in Watson-Crick pairing? a. (1/4)10 b. (1/10) d. (1/5) C. (1/4) [1TSc]
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Priyanshu kumar Best Answer
option A Explanation:- 10 Nucleotides at each stands. You don't consider both stand for this question because both stands are complementary in nature. We know 4 bases in DNA - A,T,C,G . Now any 4 nucleotides can seat at any particular position of DNA , then probability of Single nucleotide for any particular position is 1/4. This such type of same probability occurred at all 10 nucleotides position. So, Answer is (1/4 x 1/4 x 1/4 x 1/4 x 1/4 x 1/4 x 1/4 x 1/4 x 1/4 x 1/4 ) = (1/4)^10 .