Experiment 1 - A Monohybrid Cross Complete the Punnett...

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Click or tap here to enter text. BSC 108 Lab 8: Genetics of Corn Lab and Journal Worksheet Genetics of Corn Lab Instructions: Answer the questions below, based on Experiments 1 - 2. Experiment 1 - A Monohybrid Cross Complete the Punnett square for a cross between two heterozygous purple kernels, Pp × Pp: P p P PP Pp p Pp pp What percentage of offspring do you predict will be purple? 75 What percentage of offspring do you predict will be yellow? 25 Count the purple and yellow kernels in 5 rows of corn kernels for Corn #1 and complete the following table: Number of Kernels Observed Number of Kernels Expected Purple 111 117 Yellow 45 39 Total number of kernels observed: 156 To calculate the number of kernels expected, multiply the total number of kernels observed by the percentage of kernels you predicted would be purple. Then multiply the total number of kernels by the percentage of kernels you predicted would be yellow. For example, if you predicted 50% of your 150 kernels would be purple, your number of

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