Incomplete Dominance Teacher Resources

Find Incomplete Dominance lesson plans and worksheets
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Incomplete Dominant and Codominant Traits Worksheet

For Students 7th - 10th
A two-page instructional activity provides seven Punnett squares for practice in determining genotypes and phenotypes. Each is an example of incomplete dominance or codominance. After your bright biologists have mastered Punnett squares,...
7:12
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Incomplete Dominance, Codominance, Polygenic Traits, and Epistasis!

For Students 7th - 12th
Have you ever met twins or biological siblings with different skin colors? It's not unusual and a helpful video explains why. It includes incomplete dominance, codominance, polygentic traits, and Epistasis, and even explains why...
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Beyond Mendel: Incomplete Dominance and Codominance

For Students 9th - 12th
What happens when two cats collide? It depends on whether they exhibit codominance or incomplete dominance! Genetics learners are briefly introduced to the these two concepts and are given a scenario to solve. This handout can be used in...
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Genetics Practice: Beyond the Basics

For Students 9th - 12th
What do you get when you cross a purple with a white? Genetics geniuses figure it out with a Punnett square. On this assignment, they must solve crosses for incomplete dominance, codominance, lethal dominance, and sex-linked genes. It is...
14:22
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Chromosomal Genetics

For Students 9th - 12th Standards
The instructor in a biology video defines and shows examples of incomplete dominance, codominance, epistasis, and multiple alleles. Viewers then explore Thomas Hunt Morgan and his crosses showing the discovery of gene linkage via fruit...
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Beyond Mendel's Laws of Inheritance

For Teachers 10th - Higher Ed
This PowerPoint jumps right into the details of unusual traits and how they are coded.  The epistasis patterns in Labradors are used as a main example, and many instances of polygenic inheritance malfunctions are explained. All of this...
5:34
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Non-Mendelian Genetics

For Students 9th - 12th Standards
Any pattern of inheritance that does not follow Mendel's laws uses non-Mendelian inheritance. The video explains this type of genetics with many guided practice problems. It covers incomplete dominance, codominance, and sex-linked traits.
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Raven Chapter 13 Guided Notes: Patterns of Inheritance

For Students 11th - Higher Ed
In this short space, it would be impossible to describe the breadth of this seven-page genetics worksheet. Geared toward AP or college biology learners, they explore not only the basic vocabulary and concepts, but also the Law of...
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Inherited Immunity

For Teachers 9th - 12th
Students explore incomplete dominance inheritance by learning about the survivors of the Black Death and completing Punnett Squares.
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Incomplete dominance, Codominance, Multiple Alleles

For Teachers 9th - 12th
Students explore the principles of incomplete dominance and codominance in genes. They apply genetic previously discussed genetic principles to determine solutions to inheritance problems including multiple alleles, incomplete dominance...
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Incomplete Dominance

For Students 6th - 8th
In this biology worksheet, students use the information given about genetics and Sponge Bob to complete each section of the sheet. They identify and explain incomplete dominance and use it to help them complete the questions that follow.
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AP: Chapter 14: Mendel and the Gene Idea

For Students 9th - 12th
A survey of Mendelian genetics is presented through this handout. Biology prodigies answer questions about the Law of Segregation, phenotypic ratios, and dominance. They define genetics vocabulary terms and describe various genetic...
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Genetics, Rules, and Disorders

For Teachers 9th - Higher Ed
What you will find in this collection of slides is a comprehensive introduction to genetics. It is technically three separate slide shows: the first on general genetics concepts, the second on rules of inheritance, and the third on...
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Genetics Practice

For Students 7th - 12th
A girl without freckles is like a night without stars! On this worksheet, junior geneticists determine how many of the offspring of a freckle-faced father and a freckelless mother. They also write out answers to questions about Mendel's...
25:16
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Punnett Square Fun

For Students 10th - 12th
The topics in the previous video about dominant and recessive traits are continued here as Sal Khan explains incomplete dominance, the randomness of genotypes and phenotypes, and covers how to calculate probabilities using Punnett...
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The Genetics of Parenthood

For Teachers 9th - 12th
Young scholars draws the child's face and compares "mother's" and "father's" perception of characteristics. One student draws the child's face; partner writes a biography of the child at age 30- what is the child like, what have they...
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Genetics PowerPoint

For Teachers 9th - Higher Ed
If mom is bald, will her babies be bald? Here is a practical presentation that can answer that question. Viewers can take notes on the difference between dominant and recessive genes, mutations, and heritability. A large portion of the...
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Genetics, Genetics, and More Genetics: Exploring Independent Assortment and Non-Mendelian Genetics

For Teachers 9th - 12th Standards
Two individuals share 99.9 percent of their genetic codes, yet diversity is observed everywhere. Young scientists learn about diversity through hands-on activities and an experiment. They apply the concepts of independent assortment and...
1 In 1 Collection
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Punnett Squares with Piebald Deer

For Teachers 5th - 10th Standards
Explore the science behind Earth's amazing diversity of life with this lesson on genetics. Looking at specific traits in piebald deer, carnations, and roan cattle, young scientists use Punnett squares to determine the possible genotypes...
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Patterns of Heredity

For Teachers 9th - 12th
Students describe the differences between incomplete dominance and codominant alleles, and between multiple alleles and polygenic inheritance. They describe how internal and external environments affect gene expression. They then...
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Genetics of Parenthood

For Teachers 10th - 12th
Learners participate in an activity where they flip coins to determine which allele they pass on to the F1 generation and draw the resulting child's face. They identify several inheritance patterns including dominant, recessive,...
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Teacher Kit Unit 1

For Teachers 4th - 6th Standards
Nine lessons makeup a unit designed to reinforce grammar and vocabulary through practice pages based on readings of African folktales. Each lesson consists of a mini lesson, a vocabulary review, and a worksheet. Topics include...
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Soap Opera Genetics – Genetics to Resolve Family Arguments

For Teachers 9th - 12th Standards
Did she cheat on her husband? Did the hospital switch the babies? Should they have children? As much as this sounds like the plot for a soap opera, all of these questions fit into a single lesson on genetics. Scholars read about three...
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Genetics Basics

For Students 9th - 12th
In this basics of genetics worksheet, students review the concepts of genetic inheritance by writing the alleles for genetic traits inherited in offspring. They identify dominant and recessive traits given allele pairs, answer five...

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Incomplete Dominance