Name: Date: Text Pea Plant Punnett Squares Worksheet 1) Yellow seeds are dominant over green seeds in pea plants. Fill in the Punnett square and determine the expected genotypes and phenotypes of the Fi generation by crossing homozygous recessive and homozygous dominant parents. Text Text Text Possible genotypes of offspring Text Possible phenotypes of offspring: Text Text Text Text Percentage of offspring that are yellow: T % green: Text Text Text Text % of offspring that are homozygous dominant: Text_% heterozygous: Text % homozygous recessive: Text_% Fgeneration If there were 100 seeds collected, predict how many would be yellow? Text green? Text Predict how many seeds would be homozygous dominant? _Text, heterozygous? Text homozygous recessive: 2) Green pod color is dominant over yellow pod color in pea plants. Fill in the Punnett square and determine the expected genotypes and phenotypes of the F, generation by crossing homozygous dominant and heterozygous parents. Text Text Possible genotypes of offspring: Text Possible phenotypes of offspring: Text Text Text Text Percentage of offspring that are green: Text_. % yellow. Text_% Text Text Text % offspring that are homozygous dominant: Text % Fi generation heterozygous: Text % homozygous recessive: Text_% If there were 200 seeds collected, predict how many would be green? Text yellow2 Text Predict how many seeds would be homozygous dominant? _Text homozygous recessive: Text , heterozygous? Text 3) Round seeds are dominant over wrinkled seeds in pea plants. Fill in the Punnett square and determine the expected genotypes and phenotypes of the Fi generation by crossing homozygous recessive and heterozygous parents. Text Text Possible genotypes of offspring Text Text Possible phenotypes of offspring Text Text Percentage of offspring that are round: Text_% wrinkled: Text_% Text % of offspring that are homozygous dominant: Text_% Text F generation heterozygous: Text_% homozygous recessive: Text_% If there were 3500 seeds collected, predict how many would be round? Text wrinkled? Text Predict how many seeds would be homozygous dominant? Text homozygous recessive Text heterozygous? Text ONGSS Life Science 2015 4) Smooth pod shape is dominant over constricted pod shape in pea plants. Fill in the Punnett square and determine the expected genotypes and phenotypes of the Fi generation by crossing homozygous recessive and homozygous dominant parents. Text Text Possible genotypes of offspring Text Possible phenotypes of offspring Text Text Text Text Percentage of offspring that are smooth: Text_%constricted: Text_% Text Text % of offspring that are homozygous dominant: Text_% Text heterozygous: Text_% homozygous recessive Text % Fegeneration If there were 400 seeds collected, predict how many would be smooth? Text constricted? Text Predict how many seeds would be homozygous dominant? Teact heterozygous? Text homozygous recessive Text 5) Tall pea plants are dominant over short pea plants. Fill in the Punnett square and determine the expected genotypes and phenotypes of the F, generation by crossing heterozygous and heterozygous dominant parents Text Possible genotypes of offspring Text Text Possible phenotypes of offspring: Text Percentage of offspring that are tall: Text_% short Text % Text Text Text % of offspring that are homozygous dominant: Text_% heterozygous: Text_% homozygous recessive: Text_% Fi generation If there were 224 seeds collected, predict how many would be tall?_Text Predict how many seeds would be homozygous dominant? Text homozygous recessive: _Text heterozygous? Text Text Text Text short? Text 6) The axial flower position is dominant over the terminal flower position. Fill in the Punnett square and determine the expected genotypes and phenotypes of the F, generation by crossing heterozygous and homozygous dominant parents Text Text Text Possible genotypes of offspring Text Possible phenotypes of offspring Text Text Text Percentage of offspring that are axial: Text % terminal: Text_% Text Text Text % of offspring that are homozygous dominant: Text_% F: generation heterozygous: Text % homozygous recessive: Text_% If there were 1176 seeds collected, predict how many would be axial? Text Predict how many seeds would be homozygous dominant? Text heterozygous? _Text homozygous recessive: Text terminal? Text ONGSS Life Science 2015
