Cell Division

The goal of mitosis is to produce two daughter cells that are

• different in the number of chromosomes.

• different in cell contents, but the same in chromosomes.

• new species.

• identical.

Mitosis is used as part of _____ reproduction.

_____ is when the cytoplasm divides.

• Mitosis

• Gap 1

• Gap 2

• Cytokinesis

Human cells have 46 chromosomes. However, after DNA replication, they have _____ chromosomes.

Replicated chromosomes are held together at the _____.

After DNA replicates, human cells have 46 chromosomes, but 92 _____.

• sister chromatids

• centromeres

• centrosomes

• nuclei

Cytoplasmic division begins late in

• prophase

• metaphase

• anaphase

• telophase

When a cell divides (or not) is controlled by _____.

• an individual gene

• gene expression

• centromeres

• sister chromatids

Checkpoint genes monitor which of the following?

• if DNA has replicated correctly

• if DNA is damaged

• if there are enough nutrients for cell division

• all of the above

Checkpoint genes that inhibit cell division are called _____.