A Couple Has Just Been Informed That One of Them

question 34

Multiple Choice

A couple has just been informed that one of them has Huntington's disease, and that the other spouse does not have a disease allele. With this information, what is the chance that at least one of their two young children has a disease allele?

• A) the chance that at least one of the unaffected children has a disease allele is 75%
• B) the chance that at least one of the unaffected children has a disease allele is 100%
• C) the chance that at least one of the unaffected children has a disease allele is 50%
• D) the chance that at least one of the unaffected children has a disease allele is 25%
• E) the chance that at least one of the unaffected children has a disease allele is 0%

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Definitions:

Limited Liability Partnership

A business entity where partners have limited liabilities, protecting their personal assets from business debts.

Conduct Business

The act of engaging in activities or operations that relate to the buying, selling, or providing of goods or services.

Sole Proprietor

is a business owned and operated by a single individual, where there is no legal distinction between the owner and the business entity.

Corporation

A legal entity that is separate from its owners, providing limited liability, and is able to own property, incur debt, sue and be sued.