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?

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Solution

Unless we know the genotype of these variants of the trait, it is not possible to tell which is dominant or recessive.
At least, three-generation are required to come to any conclusion about the genotype of a particular trait.

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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?

Unless we know the genotype of these variants of the trait, it is not possible to tell which is dominant or recessive. At least, three-generation are required to come to any conclusion about the genotype of a particular trait.

Unless we know the genotype of these variants of the trait, it is not possible to tell which is dominant or recessive.
At least, three-generation are required to come to any conclusion about the genotype of a particular trait.