| MARIA MARQUEZ |
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Introduction
The purpose of this lesson is to introduce the students to the types
of inheritance that do not follow Mendel's Laws. I will introduce the lesson
with an activity oriented to get the students attention. Then, I will use the
KWL activity to introduce the information students need to learn from this
lesson. I will use a multimedia presentation to help students visualize the
concepts. Students will go to the computer lab to do the Karyotyping lab, or the
Fruit Fly lab, and a game on genetics. Then, students are going to do a an activity
that will help them understand Polygenic Inheritance. The culminating activity
will be a Power Point presentation from the students, which demonstrate what the
students had learn from the lesson.
Subject: Biology
Topic: Genetics
Grade Level: 9-12
Student Lesson name and URL: When Heredity Follows Different Rules
Standards Addressed
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Grade Level: 9 to 12
Science: Biology/Life Science
Genetics
3. A multicellular organism develops from a single zygote, and its phenotype depends on its genotype, which is established at fertilization. As a basis for understanding this concept, students know:
a. how to predict the probable outcome of phenotypes in a genetic cross from the genotypes of the parents and mode of inheritance (autosomal or X-linked, dominant or recessive).
Instructional Objectives
1. Students will describe the differences between incomplete dominance and codominant alleles .
2. Students will be able to describe the difference between multiple alleles and polygenic inheritance.
3. Students will describe how internal and external environments affect gene expression.
4. Students will interpret testcrosses and pedigrees charts.
Student Activities
Introductory Activities
Students will walk around the classroom looking for specific traits that their peers might have, and they will determine if those traits are due to polygenic inheritance or not. Next, I will introduce the chapter using the biology Interactive CD-ROM. I will use a multimedia presentation to explain the concepts of heredity such as: incomplete dominance, codominance, multiple alleles, and sex-link traits.
Enabling
Activity(ies)
Students will visit the Virtual Fly Lab http://vcoursware.calstatela.edu
to learn about sex link inheritance. Students will collect and record
information from the lab using tables and charts. Students will also visit the
web site created by N. Hein http://www.quia.com/jg/66181.html
to learn the concepts.
Culminating Activity
Students will watch the video: The Spiral of Silence to learn how pedigree charts are used in science to study different genetic diseases in humans. Students will use multimedia presentations as a means to show everybody what they learned from the chapter.
Assessment
To get a copy of the requirements and the rubric for the culminating activity click here.
To get a copy of the pre-test click here.
To get a copy of the post-test click here.
To get a copy of the Introductory activity click here.
Click here to get a copy of the activity on polygenic inheritance.
Click here to get a copy of the worksheet.
POWER POINT PRESENTATION RUBRIC
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0 |
1 |
2 |
3 |
4 |
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Not evident |
Fix up |
Fix up |
Evident |
Very evident |
| 0 | 1 | 2 | 3 | 4 | The topic of research was clearly defined. |
| 0 | 1 | 2 | 3 | 4 | Concepts are accurately identified and clearly understood. |
| 0 | 1 | 2 | 3 | 4 | The information researched addressed the topic. |
| 0 | 1 | 2 | 3 | 4 | Make distinctions about the relative values and significance of specific data, facts, and ideas. |
| 0 | 1 | 2 | 3 | 4 | Organize and record information on charts and graphs. |
| 0 | 1 | 2 | 3 | 4 | Appropriate use of visuals as pictures, drawings, and clip art to support the information presented. |
| 0 | 1 | 2 | 3 | 4 | Anticipate and address reader’s potential misunderstanding, biases, and expectations. |
| 0 | 1 | 2 | 3 | 4 | Use technical terms and notations accurately. |
Results
Click here
to see a graph comparing the results between the pre-test and the post-test, and
a graph comparing results between boys and girls in the class.
Final Presentation
Web
Resources & Supplementary Materials
Introductory Activity
To find more information about genetics
visit the Glencoe Science Web Site: www.glencoe.com/sec/science.
You can also visit
http://accessexcellence.org/AB/GG/pedigree.html
to access downloadable copy of a
pedigree chart.
For more information on genetics in general you can visit http://www.biology.arizona.edu/default.html
Enabling Activity
Virtual Fly Lab: http://vcoursware.calstatela.edu.
Web Karyotyping: http://www.biology.arizona.edu/default/html then, click on Human Genetics and under Activities click on Web Karyotyping to do this lab instead of the Virtual Fly Lab.
Genetic games created by N. Hein: http://www.quia.com/jg/66181.html
Culminating Activity
The students will use their books: Biology The Dynamics of Life as a
resource for their culminating activity. The students will also use the
following web sites as resources for their project:
Pedigree charts: http://accessexcellence.org/AB/GG/pedigree.html
Genetic games: http://www.quia.com/jg/66181.html
Glossary of genetic terms: http://www.nhgri.nih.gov/DIR/VIP/glossary/pub_glossary.cgi
The Biology Project: http://www.biology.arizona.edu/default.html
Southwest
High School
2001 Ocotillo Dr. El
Centro, Ca. 92243
Maria Marquez mmarquez@cuhsd.k12.ca.us
Last Revised: 05/31/01