Modeling Prokaryotic and Eukaryotic Chromosomes

Modeling Prokaryotic and Eukaryotic Chromosomes
Modeling Prokaryotic and Eukaryotic Chromosomes
Modeling Prokaryotic and Eukaryotic Chromosomes
Modeling Prokaryotic and Eukaryotic Chromosomes
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In Brief: First, students examine prokaryotic and Eukaryotic DNA, and compare/contrast them. Next, students read some background on DNA, genomes, chromsomes, prokaryotes, and eukaryotes, and answer some questions based on the reading. Then, students create models of bacterial and fruit fly chromosomes using string, paper, markers, and tape. Finally, they answer conclusions questions about their models.


DCI’s: LS1.A: Structure and Function

ETS1: Engineering, Technology, and the Application of Science

Cross Cutting Concepts: Patterns, Structure and Function, Scale, Proportion and Quantity, Systems and System Models,

Scientific and Engineering Practices:

Developing and Using Models

Using Mathematical Thinking


Prior Knowledge: This activity gives students some basic background about the structure and function of DNA, and prokaryotes vs. eukaryotes. It is not necessary, but may help to have students know the basics about the structure of DNA in order to do the activity.

Implementing the Lesson:

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Time Requirements: The amount of time required to do this may depend upon the level of the class. It takes my "regular" level classes more than 60 minutes to finish. Whether you assign the remainder for homework, or spill into another class is your choice, of course.

Materials and Setup: You will need:

1. Construction paper (you could use computer paper in a pinch)

2. String

3. Markers

4. Tape

5. Rulers

6. Scissors

This packet is relatively straight forward to work through. There are pictures for any steps that may seem confusing to students, and all the info they will need is found in the background/intro section in the beginning. It is a fun, hands on way to learn about the differences between the DNA in bacteria and eukaryotes.

Terms of Use

• This packet is 1 classroom/teacher use only. Do not make copies or

email it to your colleagues. This was designed by me and is for your

personal (one user)use. You may

not share it or claim it as your own. You may not redistribute it.

If colleagues are interested in it, please send them the link to my store:

• You are not permitted to use any part of this work to

create products for sharing or selling.

• You are permitted to share the cover image of the packet

on your website when referring to it in a post, as long as

you link back to my store.

All rights reserved by author.

Total Pages
16 pages
Answer Key
Teaching Duration
50 minutes
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