Fig. 6.1 shows three possible coat colours of domestic rabbits. Coat colour is controlled by three alleles, though only two can be present in a genotype: Cᵍ — full coat colour (grey); Cʷ — Himalayan (white coat with black ears and feet); Cᵃ — albino (all white). Cᵍ is dominant to both Cʷ and Cᵃ. Cᵃ is recessive to both Cᵍ and Cʷ.

1. aWith the aid of a genetic diagram, determine the percentage chance of a full coat colour rabbit and a Himalayan rabbit having an albino offspring. [5]
2. bA farmer has a rabbit with full coat colour, but does not know its genotype. Suggest how the farmer may determine the genotype of the rabbit. [2]

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