Question

In animal cell, the centriole duplicates

• A. in nucleus in S phase
• B. in cytoplasm in S phase
• C. in nucleus in G${}_2$ phase
• D. in cytoplasm in G${}_2$ phase

Answer 1

The correct option is B in cytoplasm in S phase

In animal cell, DNA and the centriole duplicates in the nucleus and cytoplasm respectively during S phase. During the G${}_2$ phase, proteins are synthesised in preparation for mitosis while cell growth continues.