Biology Review

At the end of mitosis, one cell has divided to produce two identical ________________.

• daughter cells
• strands
• chromosomes
• chromatids

In which stage of the cell cycle do the nucleus and its contents divide?

• S
• G1
• mitosis
• G2

DNA is replicated during which part of Interphase?

• G1
• S
• G0
• G2

Cells spend most of their lifetime in interphase.

• True
• False

Each human cell contains two copies of each size of chromosome for a total of 23 homologous pairs of chromosomes (46 chromosomes in all).

• True
• False

The total chromosome number for a human body cell before mitosis is _________.

• 38
• 23
• 46
• 100

Cells that continue to divide uncontrollably or surround normal cells are called _____________.

• reproductive cells
• germ cells
• cancer cells
• all of these

The phases of Mitosis in proper order are ....

• Metaphase, Telophase, Anaphase, Prophase
• Telophase, Anaphase, Prophase, Metaphase
• Prophase, Anaphase, Metaphase, Telophase
• Prophase, Metaphase, Anaphase, Telophase

What phase is when spindle fibers push and pull the chromosomes so they line up in the middle of the cell.

• Anaphase
• Metaphase
• Prophase
• Telophase

When you look at someone's hair color, you are observing their _______.

• recessive traits
• dominant alleles
• genotype
• phenotype