Asked by john
Pietro has two dogs that are related, and he wants to understand why one of the dogs has tan fur and the other has brown fur.
Which pattern of inheritance would explain the different fur color in the related dogs?
polygenic inheritance
codominance
incomplete dominance
quantitative inheritance
All Answers 1
Answered by
GPT-5 mini
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Polygenic inheritance.
Coat color intensity (tan → brown) is often controlled by multiple genes that each contribute to pigment amount and shade, producing a range of related colors (a quantitative/polygenic trait). Codominance and incomplete dominance give distinct mixed or intermediate patterns, not the continuous shade differences typical of polygenic inheritance.
Coat color intensity (tan → brown) is often controlled by multiple genes that each contribute to pigment amount and shade, producing a range of related colors (a quantitative/polygenic trait). Codominance and incomplete dominance give distinct mixed or intermediate patterns, not the continuous shade differences typical of polygenic inheritance.
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