Multiple choice

Which of the following explanations about a dominant genetic trait subject to genomic imprinting is FALSE?

  1. In a given family, only males or females will be affected.

  2. The trait may appear to skip generations.

  3. Affected individuals will always inherit the mutation from either the mother or father, but not both.

  4. Severity of the phenotype will be independent of sex of the affected individual.
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A Correct answer
Explanation

For an inherited trait subject to imprinting, the phenotype will only be expressed when it is inherited from the parent whose copy is expressed in the next generation.

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