What are the most common mistakes students make in Principles of Inheritance & Variation?
3:1 is the PHENOTYPE ratio of a monohybrid cross; the genotype ratio is 1:2:1.
Top mistakes to avoid in Principles of Inheritance & Variation: • 3:1 is the PHENOTYPE ratio of a monohybrid cross; the genotype ratio is 1:2:1. • thinking both alleles blend rather than segregate. • confusing the 3:1 phenotype ratio with the 1:2:1 genotype ratio. • confusing incomplete dominance with codominance. • thinking sex-linked traits affect both sexes equally.
Common mistake
3:1 is the PHENOTYPE ratio of a monohybrid cross; the genotype ratio is 1:2:1.
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