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Inheritance and genetic crosses

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Question 67

A female dog (dam) affected by progressive retinal atrophy (PRA) has the genotype aaaaaa. A male dog (sire) is homozygous dominant with the genotype AAAAAA.

Explain why none of their offspring will develop progressive retinal atrophy.

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Inheritance and genetic crosses Questions

  1. GCSE
  2. /Biology
  3. /Inheritance and genetic crosses