1. Tardigrade
  2. Question
  3. Biology
  4. (A) Taylor used radioactive thymidine in root tip of vicia faba (Broad Bean) and proved that chromosome replicates semiconcervatively. (B) In eukaryotes replication of DNA takes place in S - phase of the cell cyle. (C) Crick pointed out that DNA replicates semiconservatively but first proof for it came from the experiment of Meselson and Stahl who used 15 NH 4 Cl in E.coli.

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Q. (A) Taylor used radioactive thymidine in root tip of vicia faba (Broad Bean) and proved that chromosome replicates semiconcervatively.
(B) In eukaryotes replication of DNA takes place in $S$ - phase of the cell cyle.
(C) Crick pointed out that DNA replicates semiconservatively but first proof for it came from the experiment of Meselson and Stahl who used ${ }^{15} NH _{4} Cl$ in E.coli.

Molecular Basis of Inheritance

Solution:

Correct answer is (a) All are correct