Question 18 16.20. For each of the pedigrees below, select the possible (even if

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Question 18 16.20. For each of the pedigrees below, select the possible (even if unlikely) modes of inheritance for the trait represented by shading Assume that all women are and all men are XY, that the trait is not particularly rare (heterozygotes are not uncommon), and that no new mutations spontaneously occur in these families. Choose your answer(s) carefully since you will receive credit only if you select all possible correct answers Autosomal Recessive Autosomal Dominant Xlinked Recessive linked Dominant linked

Explanation / Answer

The modes of inheritance could be X-linked recessive which is possible since only one male child is affected in the first generation when it inherits the recessive X linked allele from the mother.

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