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
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
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
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
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
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...
Curated OER
When Heredity Follows Different Rules
In this heredity worksheet, students 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
Human Genetic Disorder Probabilities
In this genetic disorders worksheet, high schoolers complete punnett squares for six different human genetic disorders. They predict the outcome of the offspring including the phenotypes and genotypes of each.
Curated OER
Dihybrid Cross Punnett Squares
In this dihybrid cross worksheet, students complete two punnett squares for the cross of two traits. They determine the genotypes, phenotypes and phenotypic ratios of the offspring.
Palomar College
Crossword Puzzle for Basic Principles of Genetics
In this genetics worksheet, learners complete a crossword puzzle by determining the terms associated with the 24 clues given. Students review terms such as phenotype, genotype, alleles, and Mendel.
Curated OER
Genetics Worksheet
In this genetics worksheet, students answer a variety of questions about genotypes, phenotypes, genetic inheritance, and traits. They solve for the probability of genotypes and phenotypes of offspring by completing monohybrid and...
Curated OER
Zork Genetics
In this genetics worksheet, 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
More Zork Genetics
In this genetics activity, students complete 3 dihybrid crosses of traits to determine the probability of the genotypes and phenotypes of the offspring of the imaginary species, the Zork.
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
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
Heredity Worksheet #3
In this heredity instructional activity, students complete two monohybrid crosses and predict the expected outcome of genotypes and phenotypes. They answer five questions about each genetic cross.
Curated OER
Genetics Practice Problems-Simple Worksheet
In this genetics practice instructional activity, students answer fifteen questions about homozygous and heterozygous genotypes and simple monohybrid crosses of traits. They determine genotype and phenotype ratios by completing Punnett...
Curated OER
Genetics with a Smile
In this genetics worksheet, students 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
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.
The Science Spot
Bikini Bottom Genetics 2
In this biology worksheet, students use the information given on genetics, Sponge Bob and other characters to complete each of the questions on the sheet. They write the phenotype for each stated trait. Students also determine the...
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...
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 worksheet covers the differences in genotypes and...
Curated OER
Genetics Problems Worksheet
In this genetics problems instructional activity, students solve 20 problems by completing crosses using Punnett squares in order to predict the probability of genotypes and phenotypes of offspring.
Curated OER
Genetics Challenge
For this genetics worksheet, students fill in the blanks with terms related to genes, alleles, genotypes, phenotypes and heredity. They use their answers to complete a joke.