What does the Andalusian fowl exhibit?

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(A) The Andalusian fowl exhibits incomplete dominance. When a black-feathered fowl $(BB)$ is crossed with a white-feathered fowl $(WW)$,the $F_1$ gene

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Blending inheritance

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(A) The Andalusian fowl exhibits incomplete dominance. When a black-feathered fowl $(BB)$ is crossed with a white-feathered fowl $(WW)$,the $F_1$ generation offspring are blue-feathered $(BW)$. This is a classic example where the phenotype of the heterozygote is intermediate between the phenotypes of the two homozygous parents. However,in the context of the provided options,'Blending inheritance' is an outdated term sometimes used to describe this phenomenon,but 'Incomplete dominance' is the correct scientific term. Since 'Incomplete dominance' is not listed,and the question asks for the pattern,it is often associated with the concept of incomplete dominance or intermediate inheritance.

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