Butterflies can produce hundreds of offspring per cross. In a certain variety of

Question

Butterflies can produce hundreds of offspring per cross. In a certain variety of butterflies, a maternally-imprintable gene is responsible for wing phenotype. Two possible alleles for this gene are w for normal wings and w for crinkled wings. Which of the following pieces of information would be helpful in predicting the wing phenotype of a female offspring from a cross? A) look at the father's phenotype B) know the mother's genotype C) look at the mother's phenotype D) know the father's genotype

Explanation / Answer

Ans. (D) know the father's genotype

In maternally imprintable phenotype allele inherited from mother is silent and allele inherited from father is active. So maternally imprintable alleles are only active when inherited from father.

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