Question

$A$. Taylor et al used radioactive thymidine in root tip of Vicia faba (Broad Bean) and proved that chromosome replicates semiconservatively.
$B$. In eukaryotes replication of $DNA$ takes place in S-phase of the cell cycle.
$C$. A failure in cell division after $DNA$ replication results into polyploidy.
$D$. Crick pointed out that $DNA$ replicates semiconservatively but first proof for it came from the experiment of Meselson and Stahl who used ${}^{15}N{H}_{4}CI$ in E. coli.

• A. All are correct
• B. All are incorrect
• C. Only $D$ is correct
• D. $A$ and $D$ are correct

Answer 1

Answer: (A)

Correct answer is (a) All are correct