Question
Biology Question on DNA Replication
E. Coli fully labelled with 15N is allowed to grow in 14N medium. The two strands of DNA molecule of the first generation bacteria have
A
Same density and resemble with their parent DNA
B
Same density but do not resemble with their parent DNA
C
Different density but do not resemble with their parent DNA
D
Different density but resemble with their parent DNA
Answer
Different density but resemble with their parent DNA
Explanation
Solution
The correct answer is (D) : Different density but resemble with their parent DNA.