References: Meiosis and Mendelian Genetics
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Meiosis - Wikipedia - Comprehensive description of meiosis I and II, including synapsis, crossing over, and the reductional and equational divisions covered in this chapter.
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Gregor Mendel - Wikipedia - Biography of Mendel and an account of his pea-plant experiments that established the laws of segregation and independent assortment.
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Punnett square - Wikipedia - Explains the grid method for predicting genotypic and phenotypic ratios in monohybrid and dihybrid crosses.
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Genetics: A Conceptual Approach (7th ed.) - Benjamin A. Pierce - W.H. Freeman - Pierce pioneered the "conceptual approach" itself, using extended analogies and "Now Solve This" worked problems to teach segregation and independent assortment as intuitive consequences of chromosome behavior rather than as ratios to memorize.
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Introduction to Genetic Analysis (12th ed.) - Anthony J.F. Griffiths, Susan R. Wessler, Sean B. Carroll, John Doebley - W.H. Freeman - This text is known for its "Insights and Solutions" worked-problem pedagogy, modeling expert step-by-step reasoning for Punnett-square and test-cross problems, with evolutionary biologist and science writer Sean Carroll contributing to its exceptionally clear narrative style.
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AP Biology: Heredity - Khan Academy - Free video lessons and practice problems on meiosis, Mendel's laws, and Punnett squares aligned to the AP Biology course framework.
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Learn.Genetics - University of Utah - Interactive modules and animations on basic genetics, including cell division and inheritance, designed for high school and introductory college students.
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HHMI BioInteractive - Howard Hughes Medical Institute - Short films and interactive modules on meiosis and Mendelian inheritance, including virtual lab activities on genetic crosses.
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Biology 2e - OpenStax - Free college biology textbook chapter on meiosis and Mendel's experiments with additional worked cross examples.
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7.013 Introductory Biology - MIT OpenCourseWare - College-level lecture notes covering meiosis and the chromosomal basis of Mendelian genetics.