Tag: genetics
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Peas, Please! – A Practice Set on Mendelian Genetics
Students practice assigning genotypes (PP, Pp, or pp) to different traits based on whether the trait is dominant or recessive. They set up Punnett squares, and determine the phenotypic ratios of the offspring.
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Case Study – The Genetics of Eye Color
A case study exploring the genetics of eye color. Students review a pedigree and examine the role of HERC2 and OCA2 in eye color inheritance.
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Multiple Allele Traits in Rabbit Coat Color
Students practice genetics of multiple allele traits as they study coat colors in rabbits: black, chinchilla, Himalayan, white.
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The Genetics of Tortoiseshell and Calico Cats
Explore the genetics of tortoiseshell and calico cats with students. Includes worksheets for students to practice sex-linked genetic crosses.
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How Did the Cardinal Get His Red Feathers (CER)
Based on a study from Nature that examines the role of enzymes in red coloration. Enzyme pathway converts yellow carotenoids into red ketocarotenoids.
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Practice Punnett Squares with Skinny Pigs
“Skinny Pig Genetics!” Hairlessness in guinea pigs is a recessive trait. Students practice Punnett squares with this simple worksheet.
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Mutations and Evolution in Aquatic Mammals
Students examine a phylogenetic tree that reveals mutations found in aquatic mammals as evidence of convergent evolution.
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Case Study: Dogs, SNPs, and Patellar Luxation
Students learn how a genetic polymorphism (SNP) is associated with a common problem in chihuahua dogs where their patella slips out of position.
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Tasmanian Devil Karyotype (Remote Version)
Examine a karyotype showing the chromosomes of a Tasmanian devil. Arrange chromosomes and determine diploid number.