NEET Exam  >  NEET Questions  >  While analysing the DNA of an organism, a tot... Start Learning for Free
While analysing the DNA of an organism, a total number of 5386 nucleotides were found out of which the proportion of different bases were Adenine = 29%, Guanine = 17%, Cytosine = 32% and Thymine = 17%. Considering the Chargaff’s rule, it can be concluded that
  • a)
    It is a double-stranded linear DNA.
  • b)
    It is single-stranded DNA.
  • c)
    No conclusion can be drawn.
  • d)
    It is a double-stranded circular DNA.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
While analysing the DNA of an organism, a total number of 5386 nucleot...
The correct answer is b.
According to Chargaff's rules of base pairing, 
(i) The amount of adenine is always equal to the amount of thymine and the amount of guanine is always equal to the amount of cytosine. (ii) Adenine is joined to thymine with two hydrogen bonds and guanine is joined to cytosine by three hydrogen bonds. 
(iii) The ratio of adenine to thymine and that of guanine to cytosine is always equal to one, i.e., A/T = G/C =1      
In the given organism, the DNA is not following the Chargaff's rule, hence it can be concluded that it is a single-stranded DNA, not double-stranded. 
View all questions of this test
Most Upvoted Answer
While analysing the DNA of an organism, a total number of 5386 nucleot...
Analysis of DNA Proportions

Explanation:

The Chargaff's rule states that in a double-stranded DNA molecule, the proportion of Adenine (A) is equal to that of Thymine (T), and the proportion of Guanine (G) is equal to that of Cytosine (C). Based on the given information, the proportions of the different bases in the DNA sample are as follows:

- Adenine (A) = 29%
- Guanine (G) = 17%
- Cytosine (C) = 32%
- Thymine (T) = 17%

Conclusion:

Since the proportion of A is equal to that of T, and the proportion of G is equal to that of C, it can be concluded that the DNA sample is double-stranded. Moreover, since there is no information regarding the topology of the DNA molecule, it cannot be determined whether it is linear or circular. Therefore, the correct answer is option D, "It is a double-stranded circular DNA."
Free Test
Community Answer
While analysing the DNA of an organism, a total number of 5386 nucleot...
Correct answer is option.d. It is a double- stranded circular DNA
Attention NEET Students!
To make sure you are not studying endlessly, EduRev has designed NEET study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in NEET.
Explore Courses for NEET exam

Top Courses for NEET

While analysing the DNA of an organism, a total number of 5386 nucleotides were found out of which the proportion of different bases were Adenine = 29%, Guanine = 17%, Cytosine = 32% and Thymine = 17%. Considering the Chargaff’s rule, it can be concluded thata)It is a double-stranded linear DNA.b)It is single-stranded DNA.c)No conclusion can be drawn.d)It is a double-stranded circular DNA.Correct answer is option 'D'. Can you explain this answer?
Question Description
While analysing the DNA of an organism, a total number of 5386 nucleotides were found out of which the proportion of different bases were Adenine = 29%, Guanine = 17%, Cytosine = 32% and Thymine = 17%. Considering the Chargaff’s rule, it can be concluded thata)It is a double-stranded linear DNA.b)It is single-stranded DNA.c)No conclusion can be drawn.d)It is a double-stranded circular DNA.Correct answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about While analysing the DNA of an organism, a total number of 5386 nucleotides were found out of which the proportion of different bases were Adenine = 29%, Guanine = 17%, Cytosine = 32% and Thymine = 17%. Considering the Chargaff’s rule, it can be concluded thata)It is a double-stranded linear DNA.b)It is single-stranded DNA.c)No conclusion can be drawn.d)It is a double-stranded circular DNA.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for While analysing the DNA of an organism, a total number of 5386 nucleotides were found out of which the proportion of different bases were Adenine = 29%, Guanine = 17%, Cytosine = 32% and Thymine = 17%. Considering the Chargaff’s rule, it can be concluded thata)It is a double-stranded linear DNA.b)It is single-stranded DNA.c)No conclusion can be drawn.d)It is a double-stranded circular DNA.Correct answer is option 'D'. Can you explain this answer?.
Solutions for While analysing the DNA of an organism, a total number of 5386 nucleotides were found out of which the proportion of different bases were Adenine = 29%, Guanine = 17%, Cytosine = 32% and Thymine = 17%. Considering the Chargaff’s rule, it can be concluded thata)It is a double-stranded linear DNA.b)It is single-stranded DNA.c)No conclusion can be drawn.d)It is a double-stranded circular DNA.Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for NEET. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free.
Here you can find the meaning of While analysing the DNA of an organism, a total number of 5386 nucleotides were found out of which the proportion of different bases were Adenine = 29%, Guanine = 17%, Cytosine = 32% and Thymine = 17%. Considering the Chargaff’s rule, it can be concluded thata)It is a double-stranded linear DNA.b)It is single-stranded DNA.c)No conclusion can be drawn.d)It is a double-stranded circular DNA.Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of While analysing the DNA of an organism, a total number of 5386 nucleotides were found out of which the proportion of different bases were Adenine = 29%, Guanine = 17%, Cytosine = 32% and Thymine = 17%. Considering the Chargaff’s rule, it can be concluded thata)It is a double-stranded linear DNA.b)It is single-stranded DNA.c)No conclusion can be drawn.d)It is a double-stranded circular DNA.Correct answer is option 'D'. Can you explain this answer?, a detailed solution for While analysing the DNA of an organism, a total number of 5386 nucleotides were found out of which the proportion of different bases were Adenine = 29%, Guanine = 17%, Cytosine = 32% and Thymine = 17%. Considering the Chargaff’s rule, it can be concluded thata)It is a double-stranded linear DNA.b)It is single-stranded DNA.c)No conclusion can be drawn.d)It is a double-stranded circular DNA.Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of While analysing the DNA of an organism, a total number of 5386 nucleotides were found out of which the proportion of different bases were Adenine = 29%, Guanine = 17%, Cytosine = 32% and Thymine = 17%. Considering the Chargaff’s rule, it can be concluded thata)It is a double-stranded linear DNA.b)It is single-stranded DNA.c)No conclusion can be drawn.d)It is a double-stranded circular DNA.Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice While analysing the DNA of an organism, a total number of 5386 nucleotides were found out of which the proportion of different bases were Adenine = 29%, Guanine = 17%, Cytosine = 32% and Thymine = 17%. Considering the Chargaff’s rule, it can be concluded thata)It is a double-stranded linear DNA.b)It is single-stranded DNA.c)No conclusion can be drawn.d)It is a double-stranded circular DNA.Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice NEET tests.
Explore Courses for NEET exam

Top Courses for NEET

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev