Tag: chromosome
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How Are Karyotypes Used to Diagnose Genetic Disorders?
Are students learning about chromosomes? Here’s a collection of activities that can help students learn how to analyze karyotypes and diagnose disorders.
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Investigation: Meiosis in Sordaria Fungus
Students determine cross-over frequency in sordaria by examining an image. showing how meiosis results in unique combinations.
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Simple Diagram Labeling on the Parts of a Chromosome
A diagram of a chromosome in the nucleus of the cell. Students label the chromatid, centromere, chromosomes, cell membrane, DNA, and nucleus.
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Karyotype of Tasmanian Devil Chromosomes
Students cut out each chromosome and organize them in pairs based on their patterns and size, they number them to determine the diploid number for the species and then consider a situation where the animal has an extra chromosome. Students must determine which set has the extra chromosome and consider the concept of trisomy.
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Reinforcement: Cell Division
This worksheet was created for an introductory biology class because they struggled with the difficult vocabulary associated with mitosis and the cell cycle.
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Modeling Independent Assortment & Dihybrid Crosses
Students examine how two traits are inherited, revealing that each allele has an equal chance of being passed on to the next generation, the principle of independent assortment.
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Meiosis Case: SRY not SRY
Students are given a scenario about a female athlete who was stripped of her medal when it was discovered that her cells contain a Y chromosome.
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What is a Map Unit Anyway?
Chromosome maps illustrate how far alleles are on a chromosome using a MAP UNIT. Map units are based on the frequency of cross-over