A2 Biology Phenotypic ratios OCR A Chapter 204

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Phenotypic ratios of the inheritance of two genes can be different from expected due to autosomal linkage or epistasis. Here we look at how we might interpret the ratio, to distinguish if they're as expected or different, and try to explain the two reasons for the ratio to be different. • Related videos: • Dihybrid inheritance:    • A2 Biology - Dihybrid inheritance + U...   • Maths in Biology - A2:    • Maths in Biology - A2   • Please like, share and subscribe for more content and comment below to let me know what you think! :) • Facebook: BioRach - A-level Biology Online •   / biorachproject   • Twitter: @BioRachProject • https://twitter.com/BioRachProject?la... • Background music: • Close my mouth by Silent Partner

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