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Standard X
Science
NCERT
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?

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Solution
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  • 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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