Multiple choice

About how long does it take for one of your cells to completely copy its DNA?

  1. 1 hour

  2. 2 days

  3. 1 week

  4. 6 months

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

While DNA replication speed varies by organism and cell type, in many rapidly dividing human cells, the process of S-phase replication typically takes several hours, with 1 hour being a common textbook approximation for the duration of the S-phase in a standard cell cycle.