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,...
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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...
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"Easter" Egg Genetics
Using plastic Easter eggs to represent parent phenotypes, genetics enthusiasts simulate the passing of alleles. They record the phenotype of each half of the egg, one representing the mother's and one representing the father's. They...
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Genetics Practice 3: Probability Practice
Practice calculating genetic probability, listing gametes, and identifying genotypes. The worksheet combines short answer questions with practice problems to solve. It would make a revealing review assignment or even a practical pop quiz...
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Pea Plant Punnett Square Worksheet
How often do you find a science learning exercise 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...
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Genetics and The Work of Mendel
If you need a summary of all aspects of Mendelian genetics then this slideshow is for you. The information included is essential for complete understanding of crosses, genotypes, phenotypes, and heredity.
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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...
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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...
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Genetics Practice 4: Pedigrees
Four two-generation pedigrees are presented in this genetics learning exercise. For each, five questions are asked: Is the trait autosomal recessive, autosomal dominant, x-linked recessive, x-linked dominant, or y-linked dominant?...
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Parental Genes
Eighth graders explore how different organisms pass their traits to their offspring. In this life science instructional activity, 8th graders differentiate recessive and dominant alleles. They predict the phenotype based on the genotype...
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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...
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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...
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Inheritance in Maize
Students use mutant corn ears to investigate inheritance patterns. In this inheritance lesson plan, students count the number of corn kernels of each phenotype in mutant and wild type ears of corn. Students calculate the ratio of...
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Genetics and the Work of Mendel
Excellent examples and clear diagrams in this PowerPoint will help you explain the genetics of alleles and the combinations of hybrid crosses. A high school class would appreciate having this student copy of the PowerPoint as the images...
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Using the Internet to Do Punnett Squares
What a fun way to explore Mendelian Genetics! Using a computer connected to the Internet, beginning biologists construct and use Punnett squares of monohybrid crosses to explain how genetic traits are passed to offspring. Other websites...
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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...
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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...
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More Zork Genetics
For this genetics worksheet, 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.
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Genetics with a Smile
In this genetics instructional activity, 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...
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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.
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.
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Human Genetic Disorder Probabilities
For this genetic disorders worksheet, learners complete punnett squares for six different human genetic disorders. They predict the outcome of the offspring including the phenotypes and genotypes of each.
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Genetics Practice Problems-Simple Worksheet
In this genetics practice worksheet, students answer fifteen questions about homozygous and heterozygous genotypes and simple monohybrid crosses of traits. They determine genotype and phenotype ratios by completing Punnett squares for...
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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...