Curated OER
Incomplete Dominant and Codominant Traits Worksheet
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,...
Curated OER
Mendelian Inheritance of Human Traits
In this Mendelian inheritance worksheet, students will use a pedigree to complete 4 short answer questions about recessive and dominant traits. Then students will create a Punnett square. Finally, students will match 5 genetic disorders...
Curated OER
Dragon Genetics - Understanding Inheritance
Six pages begin with a detailed introduction to meiosis and homologous chromosome pairs. Instructions guide learners through a simulation in which they draw craft sticks marked with autosomes in order to decode the genes inherited by...
Biology Corner
Pipe Cleaner Babies
Ever been told you have your father's eyes? How did it happen? Young biologists get a hands-on experience in meiotic gene expression with a fun pairs-based activity. Participants use pipe cleaner chromosomes with trait beads to make...
Curated OER
An Inventory of My Traits
In this biology activity, students identify and describe a number of easily observable genetic traits and compare the traits they have with other students. Then they identify and describe that some traits are common while others are not...
Curated OER
Punnett Square Popcorn
In this genetics worksheet, students use the Punnett Square to learn about dominance and codominance in inherited traits. This worksheet has 1 short answer question and 6 problems to solve.
Curated OER
Genetics Basics
In this basics of genetics instructional activity, 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,...
Curated OER
Mendel's Laws of Heredity
In this heredity learning exercise, learners will review the work Mendel did on predicting how traits were passed down from generation to generation. Then students will review monohybrid and dihybrid crosses and Punnett squares. This...
Curated OER
Dragon Genetics ~ Independent Assortment and Genetic Linkage
Imagine a pair of dragons that produce offspring. What percentage of the hatchlings have wings and large antlers? An engaging activity draws genetics learners in, introduces them to alleles, meiosis, phenotypes, genotypes, and...
Curated OER
Incomplete Dominance
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.
Curated OER
Genetics Practice: Beyond the Basics
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...
Oklahoma State University
Hairy Heredity
Young scholars learn that heredity comes down to the flip of a coin with this cross-curricular math and science lesson. Using smiley faces as a model, learners toss coins to determine which dominant or recessive traits...
Serendip
Genetics
A handout on genetic inheritance begins with a reading on alleles and how they can result in albinism. Junior geneticists learn to complete Punnett squares and participate in a coin toss simulation of allele pairing. They also learn...
Curated OER
Heredity Worksheet #1
In this genetics worksheet, high schoolers review the experiments on pea plants that Mendel used to explain dominant and recessive alleles. This worksheet has 10 fill in the blank questions.
Curated OER
Zork Genetics
In this genetics worksheet, learners use an imaginary species and a list of genetic traits and the alleles that code for each trait to determine the genotype and phenotype probabilities of offspring. Students complete nine monohybrid...
Curated OER
Heredity Worksheet #2
In this genetics learning exercise, students use a diagram showing the genetic offspring of plants with different types of seeds to answer 4 short answer questions. Then students determine the traits of offspring of different crosses in...
Curated OER
Patterns of Heredity
A family tree of dogs guides learners through this activity, in which students analyze the pedigree. With a key describing the genetic attributes (tall dominant, short recessive, or male/female), learners complete five questions about...
Curated OER
Raven Chapter 13 Guided Notes: Patterns of Inheritance
In this short space, it would be impossible to describe the breadth of this seven-page genetics activity. Geared toward AP or college biology learners, they explore not only the basic vocabulary and concepts, but also the Law of...
Curated OER
7.012 Genetics Section Problems
A set of phenotypes is listed for mice, flowers, blood type, and plants. For each, biology buffs analyze the percentages of phenotypes in the offspring and then identify the genotypes of the parents. This is a different approach to...
Curated OER
AP: Chapter 14: Mendel and the Gene Idea
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...
Curated OER
Genetics Practice 1: Basic Mendelian Genetics
Six genetics problems are to be solved by junior geneticists. Empty Punnett squares are provided for them to plant the parents' alleles and determine the genotype, phenotype, and frequency of offspring. All of the problems involve actual...
Curated OER
Paper Pets
In this paper pets genetics worksheet, students are given 4 genetic traits found in a particular species (paper pet). Students are given the genotypes of the parents of the paper pets and they perform genetic crosses using punnet squares...
Curated OER
What is Genetics?
In this biology worksheet, 9th graders identify which seed color is dominant in the given chart and explain why it is. Then they create a Punnett square showing the alleles of the parent plants and first generation of offspring.
Curated OER
Genetics Practice 4: Pedigrees
Four two-generation pedigrees are presented in this genetics worksheet. For each, five questions are asked: Is the trait autosomal recessive, autosomal dominant, x-linked recessive, x-linked dominant, or y-linked dominant? Whenever...
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