In an analysis of a human pedigree spanning three generations, a metabolic disorder is observed to affect all biological children of affected mothers regardless of sex. However, when affected fathers mate with unaffected females, none of their children ever develop or inherit the condition. Which mode of non-Mendelian inheritance is demonstrated by this pedigree pattern?

B) X-linked dominant inheritance

C) Autosomal dominant inheritance with maternal imprinting

D) Holandric (Y-linked) inheritance

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Biology · Heredity · Biology · Non-Mendelian Genetics

1 Biology practice questions on Pedigrees. Questions that assess core concepts and understanding.

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