Hands-On Labs, Inc. Version 42-0091-00-01
Lab Report Assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.
Mitosis Worksheet - Answer the questions about the photos below: Onion root tip photos at 600x and 1000x taken by Stan Carpenter of Hands-On Labs, Inc.
1. What phase is this cell undergoing? Telophase
2. What happens after this phase?
1. The two center side-by-side cells are undergoing two different phases of mitosis.
a. What are these phases? Prophase & Metaphase
b. What diagnostic features can help you with your decision? The cell under going prophase is starting to lose it’s envelope yet the cell is still very much intact. The cell under going metaphase has spindle fibers all around the cell suggesting its in the metaphase stage of mitosis.
1. What phase is this cell undergoing? Anaphase
2. How can you tell? The chromosomes are separated yet not completely in two yet.
1. This cell has clearly visible chromatids.
a. What's the next phase this cell will undergo? Tellophase
b. Where will the chromatids go in the coming phase? Half the chromosomes go into one cell and half in the other
1. The cell in the lower center is exhibiting signs of what phase of mitosis? Prophase
2. What phase does it appear the cell above is undergoing? Anaphase
1. Explain what happens during anaphase.
The spindle fibers begin to split the chromatids in two. Equal halves of the chromosomes are the result
2. When the chromatids separate, what is each...
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