BIOS140 iLab #5: Mitosis Worksheet

BIOS140 iLab #5: Mitosis Worksheet

BIOS140 iLab #5: Mitosis Worksheet

Name: [Insert Your Name Here]

Complete the following questions and submit your report. This document contains 3
pages. The total lab is worth 25 points.
Step 1: Watch the following link to familiarize yourself with events happening during
mitosis and meiosis. Copy the link into your browser to open it.
http://www.pbs.org/wgbh/nova/miracle/divi_flash.html
Step 2: Complete the following assignment.
1. What are the three functions of mitosis?

2. Choose the correct stage of mitotic phase for the following phrases.

a. Nuclear membrane broken into fragments

b. Nuclear membrane reappears

c. Cleavage furrow forms

1BIOS140 iLab #5: Mitosis Worksheet

d. Chromosomes align at the equator

e. Chromosomes condense

f.

Spindle fibers start forming

g. Spindle fibers disappear

h. Sister chromatids move towards opposite poles

i.

Which stage of mitosis is depicted in the diagrams below?

(i)

(ii)

2BIOS140 iLab #5: Mitosis Worksheet

3BIOS140 iLab #5: Mitosis Worksheet

3. Compare mitosis and meiosis by writing a brief description of events happening

at each stage.
Stage

Mitosis

Meiosis

Stage

Prophase

Prophase I

Metaphase

Metaphase I

Anaphase

Anaphase I

Telophase

Telophase I

Prophase II

Metaphase II

Anaphase II

Telophase II

4BIOS140 iLab #5: Mitosis Worksheet