Question

multiple choice question
the part of the cell cycle during which the genetic material is copied and divided into two nuclei is called

mitosis.
meiosis.
m phase.
interphase.

Explanation:

To solve this, we analyze each option:

• Mitosis: It is the process where the nucleus divides, with genetic material (chromosomes) copied and split into two nuclei (karyokinesis), followed by cytokinesis. This matches the description.
• Meiosis: It is a type of cell division for gamete production, reducing chromosome number, not just copying and dividing into two nuclei for general cell division.
• M phase: Includes mitosis and cytokinesis, but the specific part about genetic material division into two nuclei is mitosis (a part of M phase), so M phase is too broad.
• Interphase: It is the period of cell growth and DNA replication (copying genetic material), but the division of the copied genetic material into two nuclei happens in mitosis, not interphase.

Answer:

A. mitosis