Want to teach genetics using real organisms
scientists use to study genetics instead of cartoon characters or made-up examples? In this lesson illustrated with helpful model organisms who give students tips along the way, students will learn to connect and apply the following terms: genotype, phenotype, homozygous, heterozygous, dominant, and recessive.
These are important concepts for students to grasp before they can begin to use Punnett squares to analyze genetics word problems. And here is a free PowerPoint with images and videos of the organisms in the tutorial!
Before your students complete this lesson, I highly recommend you use my Robotics Genetics Lesson
to solidify their understanding of the concepts of alleles, genes, and chromosomes.
When teaching genetics to students with a wide range of abilities, I find some students can teach themselves by reading my tutorial, instructions, and examples. For students who need more help, I go through each step of the learning process with them. I project the handout on the wall and I can fill it out with them, explaining as we fill out example questions together.
In this lesson, there are 38 questions that help students develop the following skills:
Chromosome, Allele, and Gene matching review questions
Identify a genotype or phenotype from a set of alphabet letters or trait description
Identify homozygous recessive, homozygous dominant, or heterozygous from a genotype
Figure out the genotype from the phenotype
Figure out the phenotype from the genotype
Analyze a scenario and figure out what allele is dominant or recessive
Page 1: Genotype vs Phenotype, Heterozygous vs Homozygous
Page 2: Dominant vs Recessive
Page 3: Practice Questions
Page 4: More Practice Questions
Page 5: Teacher Instructions
Page 6: Teacher Answer Key
This is the first in my series of Model Organism Genetics Lessons.
The second is Genetics with Model Organisms 2: Punnett Square Skills
The third is Genetics with Model Organisms 3: P1, F1, and F2 Problems
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