Question

The duplication of chromosomes or DNA occurs during

Answer 1

Answer:

The duplication of chromosomes occurs in each cell during what is called the S (synthesis) phase of the cell cycle...

Answer 2

Answer:

The duplication of chromosomes or DNA occurs during S - phase.

Explanation:

• During S - phase DNA is synthesized to make two copies.
• Chromosome replicate and form paired chromatids .
• The chromatids are joined by proteins.
• This joining is called as kinetochore .
• This process occurs during mitosis in the S - phase of Interphase.