Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5

Q.

A DNA molecule of E.coli is heavy i.e. fully labelled with N  15 and is allowed to duplicate in a medium containing N  14. In first generation, the two daughter DNA molecules-

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

Have different densities but resemble their parent DNA.

b

Have same density but do not resemble their parent DNA.

c

Have different densities and also do not resemble the parent DNA.

d

Same in density and resemble their parent DNA.

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

From the image given below it is clear that the two daughter DNA molecules produced in the first generation have  N  15 in one strand and N  14 in another. Therefore, the two daughter DNA molecules have same density but do not resemble their parent DNA that has N  15 in both the strands.

Question Image
Watch 3-min video & get full concept clarity

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
A DNA molecule of E.coli is heavy i.e. fully labelled with N  15 and is allowed to duplicate in a medium containing N  14. In first generation, the two daughter DNA molecules-