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what would the expected phenotypic ratio be of a heterozygous purple smooth (PpSs) corn plant crossed...

what would the expected phenotypic ratio be of a heterozygous purple smooth (PpSs) corn plant crossed with a recessive yellow (ppss) wrinkled corn plant?
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Ans) Let the genotype for Purple be PP or Pp i.e it is dominant character, let the genotype of Smooth be SS or Ss i.e it is dominant character. Let the genotype for Yellow be pp i.e it is recessive character and let the genotype for wrinkled be ss i.e it is a recessive character.

When the heterozygous purple smooth (PpSs) is crossed with recessive yellow wrinkled (ppss) corn plant we get,the phenotypic ratio as 1:1:1:1. I have attached the detailed solution below in the form of an image for better understanding :

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