Biology > EXAM > Questions and Answers ==> GIZMOS: Student Exploration: Hardy-Weinberg Equilibrium (All)
Questions and Answers ==> GIZMOS: Student Exploration: Hardy-Weinberg Equilibrium
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Vocabulary: allele, genotype, Hardy-Weinberg equation, Hardy-Weinberg principle, heterozygous, homozygous, incompletely dominant, Punnett square Prior Knowledge Questions (Do these BEFORE using the ... Gizmo.) 1. A bird’s feather color is controlled by two alleles, D (dark feathers) and d (lighter feathers). Suppose two Dd birds mate. What percentages of DD, Dd, and dd offspring would you predict? Use the Punnett square at right to help determine your answer. DD 25% Dd 50% dd 25% 2. In this situation, what ratio of heterozygous (Dd) to homozygous (DD and dd) offspring would you expect to find? 1:1 ratio of heterozygous (Dd) to homozygous (DD and dd) Gizmo Warm-up Many factors—immigration, natural selection, hunting, etc—can influence the composition of a population. To determine if o [Show More]
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