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,...
US National Library of Medicine
Monster Genetics Lab
Harness young scientists' knowledge of genetics with an engaging science activity. Students start by flipping a coin to determine the genotypes and phenotypes of two parent monsters, before using Punnett squares to determine the...
Curated OER
Oompah Loompa Genetics
In this genetics worksheet, students use descriptive information about the different types of Oompa Loompas to show genotype and phenotype plus dominant and recessive traits. This worksheet has 12 problems to solve.
Curated OER
Heredity Worksheet: Dihybrid Cross
In this genetics worksheet, students use a Punnett square to determine the genotypes and phenotypes of the offspring of a dihybrid cross. Then students complete 10 fill in the blank questions.
Curated OER
Pea Plant Punnett Square Worksheet
How often do you find a science worksheet that comes with separate teacher's instructions? Here is one of those rare instances. Goals and objectives, materials, and evaluation guidelines precede the actual assignment. Biology leaners...
Curated OER
Probability Exercise
Follow fruit fly genetics with this probability activity. Biology scholars analyze the alleles of Bugsy, Daisy, Dino, and Lulu, considering traits for antennae, wing type, and eye color. They solve Punnett squares to determine the...
Curated OER
Allele and Phenotype Frequencies in Rock Pocket Mouse Populations
In the deserts of Arizona and New Mexico, some tiny creatures show just how quickly natural selection can turn a mutation into an advantageous adaptation. Watch a video about rock pocket mice, who show that one small change can make all...
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
Activity: Gummy Bear Genetics
Who's your Daddy ... and Mommy for that matter? Given a first-generation group of gummy bear offspring, young scientists must determine which bears are their parents. An activity instructional activity covers the differences in genotypes...
Curated OER
Simple Genetics Practice Problems
Geneticists of the future identify heterozygous and homozygous genotypes, describe phenotypes, and use Punnett squares to solve problems and determine characteristics of offspring. A total of 15 questions make this a compact quiz or...
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...
Curated OER
Genetics Since Mendel
In this biology worksheet, 9th graders describe how two alleles can produce three phenotypes. Then they create a Punnett square showing the possible offspring of red and white cattle. Students also determine the genotypes and phenotype...
Curated OER
Human Heredity II
Using deductive skills and reasoning based on the data provided about a family's blood genotype, blood phenotype, chromosomes, and genetic conditions, 9th graders answer the questions below. The conditions discussed are Down Syndrome and...
The Science Spot
Bikini Bottom Genetics
Hilarious! Use the characters from SpongeBob Square Pants to practice solving genetics problems! Yellow sponge body color is dominant to blue. Square body shape is dominant to round body shape. Did someone switch Mr. Krab's baby with one...
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
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...
Curated OER
Genes within Populations
Finally, here is a genetics worksheet that does not include Punnett squares! Designed for a more advanced class, biology learners will compare Lamarck's concept of evolution with Darwin's. They will explore the Hardy-Weinberg equilibrium...
Cherokee County Schools
Dragon Genetics
It's alive! Turn young biologists into mad scientists with this engaging genetics activity. Using their knowledge of chromosomes and genes, high schoolers create dragons with unique sets of traits, eventually breeding them to make a new...
Curated OER
When Heredity Follows Different Rules
In this heredity worksheet, learners will create 3 Punnett squares to determine the genotype and phenotype of the offspring from specific breedings. Then students will answer 7 true or false questions based on chromosomes and sex-linked...
Curated OER
Zork Genetics
In this genetics activity, students 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
Pea Plants Dihybrid Cross
In this dihybrid cross worksheet, students are given four crosses to complete using punnett squares. They determine the genotypic and phenotypic ratios of the offspring.
Curated OER
Genetics with a Smile
In this genetics worksheet, learners are given two coins that they mark with a "F" and a "M" to represent parents. They flip the coins to determine the genotype and phenotype of the offspring for twelve traits. They also use the coin to...
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
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 learning exercise. Geared toward AP or college biology learners, they explore not only the basic vocabulary and concepts, but also the Law of...