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Pearson Edexcel GCSE (9-1) Combined Science practice

Two heterozygous parents (Ee x Ee) are crossed. What is the predicted phenotypic ratio of their offspring if 'E' is dominant for brown eyes and 'e' is recessive for blue eyes?

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Genetics

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Two heterozygous parents (Ee x Ee) are crossed. What is the predicted phenotypic ratio of their offspring if 'E' is dominant for brown eyes and 'e' is recessive for blue eyes?.

  1. A.1 brown : 3 blue
  2. B.2 brown : 2 blue
  3. C.3 brown : 1 blue
  4. D.4 brown : 0 blue

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Two heterozygous parents (Ee x Ee) are crossed. What is the predicted phenotypic ratio of their offspring if 'E' is dominant for brown eyes and 'e' is recessive for blue eyes? | Ed | ExamCompanion