On a Five-Generation Pedigree, Which Feature Distinguishes an X-Linked-Dominant Disorder

question 31

Multiple Choice

On a five-generation pedigree, which feature distinguishes an X-linked-dominant disorder in which males and females are equally affected from an autosomal-recessivepattern of inheritance?

• A)The disorder is not apparent until adulthood.
• B)Unaffected individuals do not have affected children.
• C)There are no instances of an affected father transmitting the disorder to his son.
• D)Unaffected parents (who do not express the disorder) do have affected children.

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Definitions:

Real Defences

Real defences are legal arguments used in property law to assert a legitimate claim against the enforcement of a property interest or contract, often involving issues of ownership or consent.

Defect Of Title

A legal issue with the title to a property that may prevent a seller from providing clear ownership, affecting the ability to sell or transfer the property.

Personal Defences

Legal arguments used by individuals in court to justify their actions or to deny liability.

Holder In Due Course

A person who acquires a negotiable instrument before its due date that is complete and regular on its face, and who gave value for the instrument, without any knowledge of default or defect in the title of prior holders.