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To make some extra money this summer you decided to help out at a local corn field. One day while out working the fields,


To make some extra money this summer you decided to help out at a local corn field. One day while out working the fields, you noticed that some of the corn plants were producing ears of corn with yellow kernels, whereas others were producing ears of corn with pink kernels. Plant producing yellow corn kernels Plant producing pink corn kernels You asked the farmer who owns the farm about this observation. He said that a plant that produced yellow kernels was self-crossed and the resulting seeds collected and planted. Then in the next ention of plante 053 lants nea id vallau barnals and 104 plante produced sinks karnale You asked the farmer who owns the farm about this observation. He said that a plant that produced yellow kernels was self-crossed and the resulting seeds collected and planted. Then in the next generation of plants, 852 plants produced yellow kernels, and 284 plants produced pink kernels. P generation F1 generation 852 plants 852 plants Parental plant self-crossed 284 plants 284 plants 4. Give the genotypes of the parental plant (i.e., P generation) and its progeny (i.e., F1 generation) using Y and y to designate the different kernel-colour alleles. Select the genotypes from the drop-down menu. In some instances, only one genotype is possible, whereas in other cases more than one genotype may be possible. Part marks will NOT be given, so choose your answer carefully. (a) The genotype of the parental corn plant with yellow kernels is Only the genotype yy is possible . (1 mark) (b) The genotype(s) of the F1 plants that produced pink kernels is/are Either the genotype YY or Yy is possible. (1 mark) (c) The genotype(s) of the F1 plants that produced yellow kernels is/are Only the genotype yy is possible +. (1 mark)

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