Chromosomes and Cell Division

Which of the cells in the human body have 46 chromosomes?

• All of the cells in the body (both somatic and gametes)

• Only somatic (body) cells

• Only gametes (sex) cells

• Only the cells produced by meiosis

A chromosome is composed of

• RNA and protein

• Two sister chromatids connected by a centromere

• A tetrad and two chromatins

• None of the above

When a cell is NOT dividing, it must be

• in prophase

• in interphase

• dying

• in meiosis

Why do cells divide?

• to grow

• to repair an injury

• replacement of dead cells

• all of the above

When does DNA replication happen?

• prophase

• anaphase

• telophase

• interphase

After a cell goes through the Cell Cycle, the daughter cells will immediately begin to divide again.

• true

• false

Which of the following is the correct order for MITOSIS?

• interphase, prophase, anaphase, telophase

• prophase, anaphase, telophase, metaphase

• prophase, metaphase, anaphase, telophase

• metaphase, anaphase, telophase, prophase

During prophase each of the following occurs except

• chromatin coil up to form chromosomes

• nuclear envelope disappears

• centrioles move to opposite poles

• chromosomes line up at the equator

The most significant result of mitosis is that the new cells

• are the exact same size as the original cell

• are genetically identical to the mother cell

• are reproductive cells (egg and sperm)

• have a unique mix of parent chromosomes

Where does mitosis take place?

• in sex cells

• in body cells

• in both sex and body cells

• in either sex cells or body cells; it depends on the person