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Punnett Square REVIEW (extra practice) Complete the Punnett Squares below: 1. 2. N n N R n r r r 1. What is the ratio of Dominant to Recessive? What percent are NN? What percent are Nn? What percent are nn? 2. What is the ratio of Dominant to Recessive? What percent are RR What percent are Rr? What percent are rr? 1. In Beetles, red shells (R) is dominant over purple shells (r). A purple beetle is crossed with a red beetle that is not true-breeding (one dominant one recessive). a. Fill in the Punnett Square showing this cross. b. Fill in the answer box for the beetle offspring. c. Genotype Phenotype Fraction Percent How many of the beetle offspring will have red shells? (What is the ratio of red to purple shells?) 3. In caterpillars, twelve legs (T) are Dominant over fourteen legs (t). A male caterpillar with a twelve legs, is crossed with a female caterpillar with twelvelegs. Both caterpillars are hybrid (not true breeding). a. Fill in the Punnett Square and show the cross. b. Fill in the answer box showing the caterpillar cross. Genotype Phenotype Fraction Percent c. What percent of the baby caterpillars will have twelve legs(dominant)? d. What percent of the offspring will have fourteen legs (recessive)? Circle TRUE or FALSE. 3. For parent BB and bb, 100% of the offspring will be Bb. TRUE/FALSE 4. For parents Bb and Bb, 50% of the offspring will be bb. TRUE/FALSE 5. For parents Bb and bb, 50% of the offspring will be Bb. TRUE/FALSE 14.Please answer the following questions in COMPLETE Sentences! What is the difference between Genotype and Phenotype?