9. In corn, seeds can be either yellow (D) or purple (d). Seed texture can either be smooth (T) or wrinkled (t). Suppose a plant that is homozygous dominant for color and heterozygous for texture is crossed with a plant that is purple and wrinkled. Give all possible phenotypes and genotypes of the offspring.
10. Using the information given in #9, perform a cross between two plants that are each heterozygous for both traits. Give all possible genotypes and phenotypes of the offspring.
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Answer:
Dd × Tt
= DT, Dt, dT, dt
phenotype= 3:1
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