Some sweet pea plants have purple flowers and other plants have white.pdf

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Some sweet pea plants have purple flowers and other plants have white flowers. A homozygous variety of pea that has purple flowers is crossed with a homozygous variety that has white flowers. All the F1 have purple flowers. When these F1 are self-fertilized, the F2 appear in a ratio of 9/16 purple to 7/16 white. What is the expected mode of inheritance? Explain. Give the genotypes for the purple and white flowers in the crosses. Draw a hypothetical biochemical pathway to explain the production of purple and white flowers in sweet peas..

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