Rozema Biology—Spring 2010

Name: ______Hr: ______

Mitosis Internet Stuff

(1) Mitosis Tutorial http://www.cellsalive.com/  Click on Mitosis (left side)  Scroll & Read

a) Which stage does the following occur……

Chromatin condenses into chromosomes  ______

Chromosomes align in the center of cell  ______

Longest part of the cell cycle  ______

Nuclear Envelope breaks down  ______

Cell is cleaved into two new daughter cells  ______

Daughter chromosomes arrive at the poles  ______

b) Watch the Video (Animation) CAREFULLY!

The colored chromosomes represent sister chromatids. There are two of each color, because one is an exact duplicate of the other.

How many chromosomes are visible at the beginning of mitosis? ______

How many are in each daughter cell at the end of mitosis? ______

What are the little green T-shaped things in the cell? ______

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c) Use your BRAIN or NOTES, to identify the stages of these cells:

= ______

= ______

= ______

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= ______

= ______

= ______

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(2) Another Mitosis Tutorial www.johnkyrk.com/mitosis.html

View the animation and sketch the cell in the following stages:

Prophase: Metaphase:

Anaphase: Telophase:

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(3) Onion Root Tip http://www.biologycorner.com/flash/mitosis.html  Click on Onion  Drag each “view” into “viewing area” a) Which phase does View-1 show? ______

How do you know? ______

b) Which phase does View-2 show? ______

How do you know? ______

c) Which phase does View-3 show? ______

How do you know? ______

d) Which phase does View-4 show? ______

How do you know? ______

e) Which phase does View-5 show? ______

How do you know? ______

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(4) Whitefish Cells http://www.biologycorner.com/flash/mitosis.html  Click on Fish  Click on Views a) Which phase does View-1 show? ______

How do you know? ______

b) Which phase does View-2 show? ______

How do you know? ______

c) Which phase does View-3 show? ______

How do you know? ______

d) Which phase does View-4 show? ______

How do you know? ______

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