5.4 Mitosis

MITOSIS

Open Ended

Describe the process depicted in the figure.

Open Ended

Connection to the Phenomenon: Predict the impact on an individual’s phenotype (physical traits) if the process described from Q1 was done incorrectly?

Multiple Choice

What is the purpose of DNA replication?

• To create an identical copy of a DNA molecule
• To produce proteins directly
• To break down DNA molecules
• To convert RNA into DNA
• Daughter cells need a full set of identical DNA

How many phases are there in Mitosis. List them.

Open Ended

Where is mitosis in the cell cycle? Before? After? Explain how you know

Multiple Choice

How many cells are present at the beginning of mitosis?

• 1
• 4
• 3
• 2

Multiple Choice

How many cells are present at the end of mitosis?

• 1
• 4
• 3
• 2

Multiple Choice

How many sister chromatids are in each replicated chromosome?

• 1
• 3
• 2
• 4

Multiple Choice

What is mitosis?

• Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent cell.

• Mitosis is only observed in plant cells.
• Mitosis is a process that reduces the number of chromosomes in a cell.
• Mitosis is a type of cell division that results in four daughter cells.

HAVE COLOR PENCILS READY. 45 your chromebook

​SWITCH TO PAPER.

Open Ended

Why are the phases of mitosis important for cellular division?

Match

Match the following

prophase

metaphase

anaphase

telophase

cytokinesis

• prophase

• metaphase

• anaphase

• telophase

• cytokinesis

Match

Match the following

condensed in the middle of the cell

• lined down the middle of the cell

 sister chromatids are pulled apart

chromosomes clump together on opposite

cleavage of cytoplasm is visible

• condensed in the middle of the cell

• • lined down the middle of the cell

•  sister chromatids are pulled apart

• chromosomes clump together on opposite

• cleavage of cytoplasm is visible

Open Ended

CHALLENGE QUESTION: Colchicine is a poison that acts to inhibit the development of spindle fibers. Describe the effects on mitosis in a cell that has been treated with colchicine.

Open Ended

CHALLENGE QUESTION: Binary fission is a cell division in prokaryotic organisms (bacteria), which have no nucleus. In addition, prokaryotic cells typically have only one circular chromosome. Predict how binary fission in prokaryotic cells might be different than mitosis in eukaryotic cells.