Chapter 4: Heredity and Evolution

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Heredity and Evolution

Question:

A study found that children with light-coloured eyes are likely to have parents with light-coloured eyes. On this basis, can we say anything about whether the light eye colour trait is dominant or recessive? Why or why not?

Answer:

The complete information is not given in the question. We need data three generations' data to consider whether a trait is dominant or recessive. But we can consider a light eye as a recessive trait as both children and parents have light eye color. To confirm the nature of this genotype, we need more information. 


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