GizmosAnswerKey
Life ScienceGrade 7-9

Cell Division Answer Key

Observe the stages of mitosis and learn how cells divide to produce identical daughter cells.

Prior Knowledge Questions

Q1.Why do cells need to divide?

Answer

Cells divide for growth, repair of damaged tissues, and reproduction of organisms.

Q2.What is the name of the process by which body cells divide?

Answer

The process is called mitosis.

Q3.How many chromosomes do human body cells have?

Answer

Human body cells have 46 chromosomes (23 pairs).

Activity A – Stages of Mitosis

Q1.List the four stages of mitosis in order.

Answer

Prophase, Metaphase, Anaphase, Telophase (PMAT).

Q2.During which phase do chromosomes line up in the middle of the cell?

Answer

Chromosomes line up along the cell's equator during Metaphase.

Q3.How many daughter cells are produced by mitosis?

Answer

Mitosis produces 2 genetically identical daughter cells.

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